Point is to make the signal to noise on response too low for the scammers to deal with. Today, they can feasibly have a person look at every response and choose

Point is to make the signal to noise on response too low for the scammers to deal with. Today, they can feasibly have a person look at every response and choose the most promising targets. If auto respond to even 0.01% of scam email, they suddenly need to have tools to weave through ridiculous amounts of data. Expensive. Scam becomes negative ROI