Well what did you think the very targeted things that you're selling to anyone would be used for?
Well what did you think the very targeted things that you're selling to anyone would be used for?
Occam's razor - They knew, and perhaps they cared, but they cared far more about their salary and climbing the industry ladder to say no or blow the whistle.
For the data scientists and psychologists, it's a chance to work on large scale data/populations and test all sort of theories and hypotheses on a large scale, probably unavailable anywhere else except Google and Amazon as postulated here.
https://www.theatlantic.com/magazine/archive/2017/05/how-onl...
I imagine it's a dream job in that respect, where one gets so caught up in the work the consequences don't matter to the worker until the 2016 US election (Trump got about 25% of the vote in the Bay Area) or Brexit referendum and now these investigative reports.