surveillance of foreigners (particularly) with residence in a different country is a different issue from surveillance of own citizens.

And the neat part is that you can have agreements within a group of countries (say about five) to have them surveil your citizens and share what they find with you while you do the same for them.

or you do like EU and just hand over your own citizens' data to non-EU countries.

(for example: https://www.dw.com/en/eu-weighs-giving-us-data-for-fewer-tra...)

Technically true but as the commentator below you says, easily circumvented. Perhaps it's better to think of privacy/freedom of thought as a global human right...