Why ? They are starting to ask to many personal questions and monitoring people like they are criminals / terrorists etc ...even if they are not ...
Govs want to much control on people...the world is becoming very strange and it all started with 9/11 attacks ... to many coincidences
It is all about choice, if you think it would be best for you to put all your money in cryptocurrency and you’re ready to take the risk, then you can go ahead and do that. But if you still look at things the other way round, you would see that in a way you still need the services of banks in some areas, why cryptocurrency especially Bitcoin continues to play its own part in the areas that it would fit in best.