I agree that most of coins now will not survive in the next decades. But the current top 1-20 coins will surely stay in the battle road.
First watch this vid.
https://www.youtube.com/watch?v=3LSBZtL_sLsCrypto is incentivising people to destroy the planet.
At the moment the world is focused on getting rid of plastic, I'd say crypto is what we need to get rid of next.
If your crypto isn't green it's going to be taken out and shot. If your favourite coins don't destroy the plane they might have a future.