I also got into BTC late, but better have some now before it becomes harder and harder to afford!

There are over a million addresses with +1BTC in them. But, how many people actually have over 1 BTC? I suspect it isn't that many. Having some is better than none for sure.

It is hard when predicting what is right to invest into for children. I suspect that the biggest thing to do for them, is teach them how to learn anything and encourage them to have practical skill that are very hard to automate.