Setting aside the fact that I want to leave things in a good place for my kids, neighbors' kids, nieces, nephews and all their friends...

Setting aside the fact that even if I was so selfish to care about my personal legacy, I'd want the world around long enough to learn about it...

there's no point freezing and living off leaves for the next few decades

I don't think the ask here is so unreasonable. It's disingenuous to frame it this way.