This is the actual correct answer, yes, but I figure if I can get them trying to scam me then they’ll spend less time trying to scam my grandpa… I’m probably wrong these days; it’s probably a ScamGPT instance, but it brings me joy.

This is why I always answer telemarketers if I'm not waiting for an actual call.

1) answer

2) go mm-hmmm to their first question

3) phone on mute and set it on the table and go about my day

I think the record for a telemarketer monologue is a bit over 3 minutes before they figured out I'm not responding. That was 3 minutes they weren't scamming anyone else to subscribe to whatever. I'm practically a human Tarpit for telemarketers =)