Pretend that it’s any other earnestly held belief. I wouldn’t expect a chill Catholic community to be down with cannibalism jokes, I’d just expect them not to engage in purity tests or call non-Christians heathens. I’d expect that a chill Hindu community would remove “Holy cow!” comments, but they probably wouldn’t remove people for admitting they eat chicken or ban non-Hindus.
I would expect a chill vegan community not to remove comments from people who eat meat or to call omnivores “bloodmouths,” but jokes like “how do you spot a vegan?” or “I’m going to eat twice as much meat tonight to make up for you” would probably still get removed. I get that the second one seems harsh, but it’s a system of ethics for vegans, so it isn’t a joking matter for them.
Plus, all four of those jokes are way, way overdone.
Simple. Just record yourself saying it and make listening to it a stipulation for eating you. It sucks you won’t be able to see the reaction though. I bet they’d chuckle.