Except that the government has instituted dragnets that effectively hoover up the data of everyone
https://www.eff.org/deeplinks/2022/06/effs-flagship-jewel-v-...
2.
Plenty of examples of 3 letter agencies abusing their powers if you search.
EFF, reason.com, and the register usually make a point of reporting on it.
eg: https://www.eff.org/wp/patterns-misconduct-fbi-intelligence-...
https://reason.com/2023/05/17/the-durham-report-is-right-abo...
For example spying on (ex) girlfriends, seeing people in various state of undress (cameras in devices) etc.
https://www.eff.org/deeplinks/2015/01/government-releases-do...
The FBI actually recently purchased a bunch of this kind of data because the governments restrictions would t allow for it any other way.