The Cloud/BigData business, which is the strategic thrust of Amazon/AWS, Microsoft/Azure and Google/GCP, is simply 2nd degree surveillance. BigData is code word for "ever more detailed logs of every human on the planet".
There are remarkably few instances of actual “big data” problems, at least in the commercial sector, that aren’t merely surveillance.
As a machine learning engineer myself, this is somewhat of an existential crisis. It truly makes quant finance look like one of the most ethically positive career choices left.