Eventually you will start locating places that have racial bias. For instance a heavily ethnic restaurant. That means its customers will be by default mostly a minority. You are now tracking and exploiting minorities/protected class.

See my other comment on this comment thread for a personal anecdote.

You awoke a question:

What sort of dark patterns are we (the public) _NOT_ seeing in algo behaviours, and further - how can Dark_Patterns be mapped.

ELI5 is there anyone working in this problem space thats open to speak without NDA issues/state-actor repercussions....

Whats the nomenclature in this space to address the data? And where is the data?