[hedgew]

I worry that if the "keep them talking" -heuristic becomes widespread enough, we'll experience a cultural evolution where people flat out refuse to talk.

If you know the main strategy of your opponent it to get you talking, your most obvious strategy is to not talk.

[mrguyorama]

I'm not convinced. Plenty of suicidal situations are not already sure of what they want, and random passer-bys trying to help are not necessarily "opponents" in this situation. Sometimes (often?) it really is just a cry for help, and talking to a stranger is someone answering that cry