Oh, and they will sell you the datasets they've already scraped using mobile devices: https://brightdata.com/lp/web-data/datasets
This actually explains a phishing attack where I received a text from somebody purporting to be a co-worker asking for an Apple gift card. The name was indeed an employee from a different part of the large company I worked for at the time, but LinkedIn was the only possible link I could figure out that was at least somewhat publicly available information.
This should probably be required in all CS curriculum: https://ocw.mit.edu/courses/res-tll-008-social-and-ethical-r...
Actually, that might be one way to draw attention to the problem. Sign up to some of these shady "residential proxy" services, and access all sorts of nasty stuff through their IPs until your favorite three-letter agency takes notice.