>infinite social loop requiring either superhuman willpower or outright sociopathy to escape Or, you can just hang up if you have your suspicions. I don't see

>infinite social loop requiring either superhuman willpower or outright sociopathy to escape Or, you can just hang up if you have your suspicions. I don't see this kind of banning particularly useful. If it gets sufficiently popular, telemarketers will just work around it in their scripts.