I've uploaded some pictures from Valerian Valdamar's Matrix III book to c/Aliens

https://scored.co/c/aliens

Good start on analysis. First note that people don't use the word "dimension" rightly: here are the known dimensions and, to be technical, both we and the aliens are in all 10-12 core dimensions at once, in the same ways. We manipulate the higher dimensions in similar ways as they do.

It is quite apparent that many of the alien visitors have the ability to travel outside our concept of time, and manipulate and fold space to their liking. In fact, many of the upper density folks can manipulate time, mass, energy and consciousness (mass, energy and consciousness being functionally related) any way they wish.

I cannot accept this on the evidence. They experience time's arrow as we do, and we can manipulate perpendicular temporal dimensions as they do. I don't believe the phenomenon envisioned is space-folding as that would be testable with telescopic evidence. I don't believe "upper density" is the proper term either because if it literally refers to denseness in a dimension higher than the fourth then we experience that too (whenever we feel distant from ourselves). And I certainly wouldn't give ET credit for total freewill manipulation of spacetime above our own ability; those who live longer have more experience, yes, but time and mass and energy follow simple math, and consciousness is manipulable by ordinary humans so much so that ET manipulation of consciousness might well give the appearance of being totally conformed to their will when the reality is just the same stagecraft as humans use. What is clear is that ETs are exceptionally interested in learning about the physical realm, and in particular in reverse-engineering our DNA; and their total ignorance and clumsy experimentation with that quest reveals their actual incompetences.

We know, absolutely, that all these factors have a part to play in it

I'm not confident that specifying the means or source of the travel is a significant point. Much more important is that one or more races of ETs are unaccountably fixated on our solar system. I believe that a major hub for this activity is Sagittarius A* but what's important is their appearance here following certain predictable paths and arcs, rather than their hangouts when not appearing here.

One interesting revelation that has come to light recently is that the race known as the Greys have apparently several kinds of species, either by virtue of genetic breeding or cloning. We have learned of another factor which further serves to complicate the problem of sorting it out - some of the species of that race come from different time-tacks. The group known loosely as the Zeta Reticulans, the ones with the big wrap-around eyes, have a point of origin in our physical future. Here I am referring to the Essessani, which have arrived 300 years in our linear future, telling us that are the product of the cross-breeding between the Zeta Reticulans and Homo Sapiens.

I don't know the details yet. Accepting arguendo that there are multiple sentient species or races of ETs, that would imply that each species has a phenotypical encoding just as Linnean species do in DNA. Since ET "bodies" have the oft-witnessed characteristic of appearing either as mass or as energy, with free transfer between (comparable to human testimonies of dematerialization or translation), we would speculate that the mass is DNA-based and the energy is also code-structured in the same way data is transmitted by light. So I wouldn't have a problem with different ETs having different energy code structures, which would manifest as different species. But I wouldn't take their word for it as to their links to other times, because those can be tested scientifically just like human claims of time travel (which have always [checks watch] been proven false by inaccurate reports since official disclosure on time travel hasn't completed yet).

What we do know is that there are no missing links, there are only complete quantum phenotypes without transitions between. (ETs will certainly have subspecies with different appearances arising from the same phenotype, just as not all dogs look alike.) For that reason you can't be a hybrid between H. sapiens and a different DNA barcode. You could be a chimera of both but then you'd have two DNA prototypes within you, which is very hard to do and usually fails when done by ETs. Now I propose that the electronic code could engage a quantum leap from one phenotype to another, which is the shape-shifting attributed often to reptilians, but in that idea the reptilian form would be a reptilian appearance and no human, and the human form would be a human appearance and no reptilian, and the ET would not be a hybrid but an energy form with a natural phenotype and an adaptive phenotype. I would be inclined to treat the ET according to the natural species rather than the adaptive because the natural is the one the ET came into being as.

The following is a list of the potential reasons that alien entities may visit our planet:

Sounds good, except for crossbreeding, which here refers to an imaginative renarration by Darwin of something never observed. You can only crossbreed between identical code phenotypes; to change phenotypes you need a chimera or an adaptation, as stated. Nothing is halfway between dog and cat, with all characteristics partway between the two types; you can only have a chimera, like a half-cat half-dog, with any local characteristic being either all cat or all dog. However, ETs are interested in hijacking Darwinism to get us to think that things that don't exist do exist, because the confusion helps them. But their real work is in intrahuman breeding, chimerization, and shapeshifting, and so to call it "crossbreeding" is misleading. No narratives show that they can crossbreed cats with dogs, or anything similar.

There are only two general categories, holistically, why interaction takes place:

And the synthesis is that these two harmonize. Just as service to others "takes care of" service to self, the reverse is also true as to enlightened self-interest. Selfishness is not service to self.