It revolves around the basic economic rule of Demand. If more people want Bitcoin, then the price will likely to go up. If comes a time that no one wants to use Bitoin anymore(which I doubt will ever happen) then It will have no value.

There was a famous story that in the past 2 pizzas cost about 10 000 BTC. Now a single BTC can buy you thousands of pizzas.

It is already incorporated in Fintech. Most Western countries have already incorporated the blockchain into their university programs. For countries with low literacy in terms of the blockchain technology, it's no doubt that they haven't adopted the the study, yet. People need to be interested in it before they put it in a massive scale of teaching.