I certainly value my life, why should other lives not be valued? I would not want harmful treatment to others of other species. Most won’t change from their ways to not contribute to such, I am aware. It is still what would be very well for all of us in general to do. We do not have to contribute to the misery and slaughter of many animals being used, we could be much healthier, and not contribute to more land, water and resources being used with greater waste left, as environments are worsened and many species go extinct with the contribution. I really found tasty meals with this way I have, to continue with, and have been doing very well with it for well over a decade.
People are afraid to change. They turn a blind eye to the suffering of animals and the planet (willful ignorance) because they think becoming vegan would destroy their social life. They are afraid to stand out. What will happen with their relationships with friends and family. Will they be perceived as a hostile out-group? Or make life hard for everyone around them?
This is what I think is stopping people who can even agree with veganism philosophically. If they aren’t open-minded they will simply cling to the any justification for carnism possible.
The fears I’ve listed are not hard to overcome, it’s privileged and selfish to not even try. But the main point it’s social fears that’s stopping people.