Block + Chain = Slave
Go make a transaction and try to hide it. You can't. Check mate. Tax man will know everything (not that it mattters we hand over our passports to make a few bucks so...)
Get rich while they implement it then take winnings and move to where they are to avoid the fallout.
You talk a complete nonsense as for me.
Only some gov-s try to control crypto usage in their countries. They can't do it worldwide.
There are some anonymous cryptocurrencies which people can use if they are too paranoic about their privacy.
The anonymous cryptocurrencies you talk about will probably be banned bright boy