Any anti-choice politician whose mistress or daughter has had an abortion, some tech company probably knows about it.
Any anti-LGBT politician that's actually gay, Google, Facebook, hell maybe even Grindr is aware.
Any White Knight with a heinous secret fetish, Pornhub knows.
People were able to map out military bases using smartwatch GPS data. Imagine if you had straight up access to the databases of this information.
I guess individuals at these companies are caught within rigid corporate power structures? Maybe the internal tooling prevents that sort of thing (didn't prevent someone from deleting Trump's twitter feed that one time), or just rule of law in the USA is still too strong and the risk of being annihilated by the legal system is too great.
Still, I bet the temptation is strong.