Now, the factory farming methods you see and the treatment of the animals being raised for meat, is definitely unethical.
This isn't even just an "animal rights" debate. It's also a debate about the impact that eating meat has on the environment.
There's way too many "eat less meat" articles to list, but here's one: https://time.com/5648082/un-climate-report-less-meat/
Sure, it's a bit of a jump from "eat less meat" to "eat no meat", but the trend is there.
Now, the factory farming methods you see and the treatment of the animals being raised for meat, is definitely unethical.