There’s data-sharing agreements with more than just the N eyes countries
If there’s an international warrant for that data the company is obliged to comply regardless
The only countries in which n° 2 doesn’t apply for the US are countries you really don’t want your data in either.
In short, however: if a government really wants your data it will find a way to get it no matter where you store that data, so the best thing is to simply not store that data at all, Mullvad and Signal don’t do that.
Why do you say this? There are real data-sharing agreements between the Eyes.
This already happened with kolektiva, unfortunately, but from what I hear they’ve since strengthened their security.
The only countries in which n° 2 doesn’t apply for the US are countries you really don’t want your data in either.
In short, however: if a government really wants your data it will find a way to get it no matter where you store that data, so the best thing is to simply not store that data at all, Mullvad and Signal don’t do that.