For me being a carnivore is 99% laziness (and a bit of hedonism), veganism is objectively the correct answer from both utilitarian and moral viewpoints
The last ground I'm standing is hunting, and even that is heavily context dependant
We have been one of the apex predators for a few millenia, and in the meantime we killed or displaced the rest of the apex predators, so we have to do some culling before the diseases wipe out populations
On top of that there's of course the native usage of natural resources, and I'm willing to fight anyone for that (you'll get a few free ones for all the other shit jokes I've made about veganism)
This isn't an attempt to explain or wash away my or anyone elses sins, it's moreso an attempt to try to describe my personal dissonances