i know this is HN but its 2025 and i find it hard to believe anybody who was not in a coma for the last decades would need concrete proof that for-profit corporations in the business of personals data have deals with government agencies for surveillance.
https://en.wikipedia.org/wiki/Room_641A
https://en.wikipedia.org/wiki/PRISM_(surveillance_program)
https://en.wikipedia.org/wiki/Tempora