Where's the joke? Is the joke simply a company is being mean to a Republican? This is one of those things in the realm of "I know it didn't happen but it's totally something they would do" except that it never happens.
Is it commentary to the story that a completely unrelated restaurant continued to impose a vaccine mandate despite being called out on twitter by Greene? If so, how?
That's the Bee's problem, most of their jokes aren't. They're really just mostly insults. And they really only insult one type of person.
Whereas, I can go to The Onion and tell you why https://www.theonion.com/high-schoolers-given-detention-for-... is funny and/or satirical without even getting into the actual article.
American schools are ridiculously strict and also the subject of way too many shootings. Even the fact of considering the act of fleeing from a shooter as "cutting class" is just outrageous. It's taking things that have actually happened, slightly exaggerating them, and then combining them into something that is too absurd to be believed.