> At a bar or restaurant, and strike up a conversation with someone, only to have them, 15-30 minutes later, introduce me to their MLM, FX, Trading Mentor, House Flipping, etc. scam, and then swiftly disengage when I am uninterested.

Fuck me. I can't even imagine this is a thing in the real world. It sounds like trying to make friends in the YouTube comments section.