Owning and holding any type of limited asset that appreciates in value will create generational wealth.
It doesn't matter what it is...
Owning it is not enough, it need a big condition: holding it for a long time enough to get high ROI and build up wealth with Bitcoin. If history repeats its rhythm, Bitcoin will give the youth good ROIs if they can own and hold bitcoins.
That's the thing, for it to be generational what you have to do is not spend it and be able to pass it on to your descendants. Normally that is easier to do with large amounts of capital, and for the specific case of Bitcoin it would be to buy at least one now, or have it before and be able to hold it to pass it on to your descendants when you die.
Let's be realistic, 1 BTC isn't enough to make you rich, even in third world countries.
I think for third world countries, you need to have $1 Million or 15.6 BTC, for second world countries you need to have $5 Million or 78 BTC, for first world countries you need to have $10 Million or 156 BTC in order to achieve financial freedom.
But what is important here is not the price now, but the value it may have in the future, net of inflation, of course.