You're only minorly wrong in that they don't sell access to the behavioral data [1] , but you do realize that you sound absolutely unhinged about it, right? Is HN surveilling my post because I typed here and pressed the 'reply' button?

I've never convinced someone of flaws in ethics by framing the perpetrator as a big bad boogeyman to the nth degree. It's unproductive self-satisfaction.

[1] They sell visibility to people queried against proprietary behavioral data.