the reason is very easy to explain. why do I choose bitcoin? for me bitcoin is a currency that can be a future for everyone, especially those who play it. trying to live from the ordinary to the more overlaid is a desire for everyone. let alone in an easy way. I think bitcoin is a perfect solution to achieve that goal.
off course, bitcoin can accept every one in every country in future.
Of course, we all hope that we can use bitcoin directly so it does not require fiat, but everything will be missed this year, if bitcoin can survive at a price above $ 15k, then it will happen soon, but if the price at the end of this year under $ 5000 it will be difficult to make bitcoin globally accepted.