Eh I wouldn’t take it too seriously, I’m pretty sure it’s a play on the whole running joke of “saying something ridiculous, then end it with ‘You guys don’t seriously believe this right?!?’” type of thing. I’ve seen many of these greentexts that used that format recently.
It’s kinda funny to me because it loosely reminds me of same logic as those old rage comic “troll physics” memes like these:
Ngl I thought this was going to be a really fucked up greentext as soon as I read the word “cancer”.