Facebook recently recommended to me a "friend" who was a person that worked at another company which was a client for my previous employer. The only means of on

Facebook recently recommended to me a "friend" who was a person that worked at another company which was a client for my previous employer. The only means of online communication I've had with this person was through my old work email. My Facebook account uses a unique email address used only for Facebooking, I've never friended anyone from my previous employer, my demographic information is all made up (except for my name), I've set privacy controls in Facebook to be as strict as possible, I run uBlock Origin/NoScript on all browsers, I clear browser history/cookies/etc on exit...yet, here is this person being recommended to me. The lengths that these companies go to fingerprint you online is incredibly scary and creepy.