Yeah, just like we should eat more meat. Meat is just a waste product of the leather industry! Eating meat helps stop climate change because then we dont need to eat plants that are mono culture that use up space of trees.

Healthy relationships with people. This costs a lot of time and energy, but well worth it in the end.

It is made by exploiting people and the enviroment. You are paying atop of the commercial price also a humanitarian and enviromental price. Slavelabor & Ecocide

Can malicious people who steal you retinal and fingerprint duplicate it to unlock whatever it was protecting?

Yes. And i actually believe most people would not harm others. I believe people hurt others because of fear and superstition. If you are in the priviliged position to feel empathy you would feel disgusted when hurting human beings. Becomming a god might even make you more empatic, because you dont have to struggle to survive.

I have never seen a vegan preach, here or on reddit. But i have seen hundreds of comments complaining about preachy vegans.