Bigger issue is if humanity will progress In technology or remain stagnate.

That’s also a good point. There is a quote, “society progresses one funeral at a time”. That goes for social progress, and to a degree for scientific progress as well.

I’m going to go ahead and say I don’t want today’s old people in charge forever.

Seems like will sort itself out in the end.

Yeah, I’m not terribly worried about everything else; we got lucky inventing mass contraception when we did.