I know exactly the feeling you mean. I get a much stronger feeling of that when I talk with friends who frequently take a plane for a 250 mile trip which has a world-class comfortable high-speed train connection with very frequent trains, each taking less than 3 hours. I'm sure you have friends who would do this in this situation - do you feel the same disgust when you hear them talking about such choices?

I still haven't seen a single person who actually cares about the environment and has willingly made significant sacrifices for it, who clamors about the environmental cost of AI. Every time I see someone do it it's someone who never cared about this before, and still doesn't really. Who buys plenty of new clothes and furniture, loves a good burger, has the latest iPhone, flies 4 times per year.

Maybe you're the unicorn in which case fair enough, you've earned the right to feel disgusted.