No I was thinking more non-batshit insane measures. For starters they could let you block calls from unknown numbers. Indeed, they could require some sort of

No I was thinking more non-batshit insane measures. For starters they could let you block calls from unknown numbers. Indeed, they could require some sort of licensing for numbers/entities originating large volumes of calls. They could also disallow caller id blocking. But the reality is abusive telemarketing tactics are a substantial revenue stream for them, so they dont give a shit.