If a politically stable nation with a good international reputation were to guarantee government respect for data privacy for data centres housed on its soil and run by its companies, that nation could become the Swiss bankers of data. Rolling your own "digital sovereignty" is not going to be cheap for most nations, and many other nations simply won't be trusted by anyone, least of all their own citizens. It's a bit…
There are a zillion hosting companies, many of them outside the US. Now which mobile platform are you going to use that doesn't give one of two US companies root on your population's phones?