despite a lot of unsightly news from early 2018 to the present, this will have no effect on bitcoin in the future. yes, bitcoin will be a promising coin for its users. I think bitcoin will be the first digital currency to become a global currency. consider the current situation as a bitcoin feasibility test to become a global currency.
we can talk about the global currency only on the network, but not in real life. I am sure that Bitcoin will not be able to replace the real currency, since for the majority of the world's population this will lead to huge problems and difficulties.
The fact is that many old people and children will not be able to use crypto currency for everyday purposes and therefore I completely agree with you. I think that the Crypto currency is money for a certain Circle of people. Moreover, for the full use of crypto currency, the infrastructure is not ready yet ..