I think if you’re going to get PTSD from killing an animal then you shouldn’t eat meat

PTSD is a reaction to trauma, not a measurement for whether something is ethical. I have a MASSIVE problem with that idea. Sounds like this isn't about anything rational, just an excuse to discourage people from eating meat.

And PTSD is often about a situation and not just something in that situation. You can see a dead body without getting PTSD, but if it's your best friend hanging from a rafter, a little different. Ditto with animals. I know at least one person (alluded above or elsewhere) who got PTSD by being very impressionable and young and watching very specific documentaries about animals dying on a day she was also sick. I'm sure I could come up with an animal-kill scenario that would give most who experienced it PTSD. That doesn't mean you shouldn't eat meat if you can. There's almost certainly people out there who has gotten PTSD that relates or triggers by something plant-based.

And how exactly can you confirm which people do or do not already have PTSD? It's one of the most underreported disorders, and in certain circles (including those with a high rate of severe PTSD) stigmatized.

I don’t think people who are incapable of killing an animal (mentally not physically) should be allowed to eat said animals

Do you agree this extends to plants? I am incapable of growing plants because I have a common HFA symptom (despite not having HFA) that things like dirt and paint drive me into a panic. My wife does all the gardening in my family because I can't grow a tomato. By your logic, I should ONLY eat meat (as I do not have a problem killing an animal, though I'm not sure whether or not I could butcher one based on the same reasons I can't grow vegetables).

I’m a vegetarian and am perfectly healthy, on the higher side of BMI, regularly go to the gym and have above average muscle mass so the argument that you can’t get the nutrients you need is bullshit

I really wish you'd leave the reddit 'tude at the door. I'm trying to treat you like you're an intelligent person, but your reply to me pointing out that some vegetarians/vegans have irreperable nutrition issues is that it's bullshit. Is it your opinion taht anyone who even lazily tries a non-meat diet is automatically 100% healthy? Is it your opinion that you can prove ALL humans can be healthy on a vegan diet, even those who have intolerances to common staples of said diet?

Also, more directly, is it your opinion that every person with a high BMI that goes to the gym and has muscle mass is automatically healthy? That seems like a severe underrepresentation of health. There are real long-term risks of hair loss, weak bones, muscle wasting, skin rashes, hypothyroidism, and anemia in vegan diets as well as an elevated risk of severe strokes. Ask any honest nutritionist and the claim that we actually know enough about nutrition to zero out those risks is nonsense. Claims that veganism is 100% healthy is similar to claims that vaping is 100% safe. In both, there is an unspoken "if done right" AND an unspoken "we think, and except a few studies we don't personally accept yet".