You have posted a link to a comical reply to a viewer question.

https://communities.win/c/Funny

Mushrooms are a big part of Japanese cuisine, and are often associated with cute things there.

Everyone should try to go to Japan, just to see how different it is. Hit Hawaii on the way back. Best America.

Mario eats a red mushroom and becomes immortal like a Tartarian (Barbarian) berserker. He can take one death blow and not even flinch, but after that he will be small and need to eat another red mushroom to become "immortal" again.

Amanita Muscaria, herb of immortality:

http://ambrosiasociety.org/files/herbofimmortality.pdf

More evidence that people like u/ghost_of_aswartz simply don't understand irony or context.