I was amased why all that "fact-checkers" always leave an impression of incompleteness and baselessness. I take a tour on "fact-checkers" "checks" about different counter-narrative facts and found one simple thing:

They never check if the fact is aligned with other known facts. This is basic check you have to do.

However, they just try to discredit source, deny the uncomfortable fact without any reason, discredit a person who dig the fact, manipulate words to make it look like the fact is debunked, etc. They just stupidly attack selected fact itself without any thought that any real fact is tightly connected with many other facts and to disprove it they need to disprove all other facts it connected with.