Morals are internal and are often informed by one’s culture, upbringing, and lived experience. There is a wide array of answers here and that’s not surprising.
For me I do consider vegetarianism to be a more moral option, I am not a vegetarian though. I think that Americans eat more meat than they need to and men in particular are targeted to over consume meat to the detriment of their health. With these things in mind I do try to eat less meat and go through phases when I am more successful.
After taking a college course about the meat industry, my partner decided not to purchase meat, but still does eat it.
This is something that a doctor would go over with any patient before any surgery as a part of informed consent.
A patient will be informed of outcomes, possible complications and the likelihood of those complications.