That kind of thinking is how we got into this mess in the first place.
The long-term impact of climate change was evident 20 years ago, well before we reached this point; back then we didn't have cheap renewables, but there was enough time to have done a big nuclear roll-out.
I think the opposite; I have so much empathy for them that I never created any in the first place. I can't imagine the despair of being young today. I'm not quite old yet myself and am terrified of what we will do to this planet.
I'm not really worried about "ever"; mostly just till I'm through with this planet.