Earlier quoted context omitted.
No all life. When we treat animal life as worthless we also come to value human life less. It’s a connection that’s hard to see while you’re still eating meat IMO. At least in more “primitive” societies they would often acknowledge that the animal had given its life and thank it and treat the act of eating an animal with some solemnity. We instead do our best to forget that what we are eating was ever alive.
What I mean is that plants are also alive. Do you not respect and value plant life?
And yeah I do notice and appreciate plants a lot more since I became vegan.
This talk does a good job of addressing the common objections to veganism, including all those you have raised: