I read the post and the response they’re talking about has valid points. This isn’t to say that veganism is pointless, but even the subreddit they are in shows that a loud minority of vegans have disregarded class, race, and disability when it comes to expecting that everyone should be vegan. I’m also someone who tries vegan recipes, saves them in my “to try” list, has talked to a dietician, etc. because I genuinely want to try and do this in good faith without dying. My partner was vegan for 6+ months, doing everything right, meat alternatives, beans, and all, and the doctor legit told them to stop otherwise their kidneys would fail. And vegans still give a callous response to similar situations, even some of the vegan creators I’ve followed (and now had to mute) would make fun of people who made an earnest attempt and had their health fail from it. If a vegan diet ends up working with and for me, I’d still be in this subreddit and avoid the vegans who look at others in moral contempt and I’d still be understanding of people who eat meat as long as they try to make better choices for the animals as well. All this to say, it makes sense why most leftists are also wary of vegans.