This, plus the monetary incentives are the root reason it's still a problem. Ignoring the actual scam part, the companies terminating the calls (that is: your phone provider) is making money on two ends: they get paid by the originator, and they get paid by the consumer they're delivering the call to (you). The telco originating the call is getting paid by the spammer. Spam is profitable for everybody.
> I think that we’ll be able to push the genie a long way back into the bottle. The measure of success is that we all won’t be scared to answer our phone. It’ll be a surprise that it’s a robocall—instead of the expectation that it’s a robocall.
I think a different genie is out of the bottle that won't go back in: the expectation you can immediately and synchronously interrupt any person and demand their full attention. I almost never answer my phone for that reason, not just because of spam. I'd just rather interact asynchronously via text or email, without interrupting whatever I happen to be doing. If I'm able I'll reply quickly, and I'm happy to switch to a synchronous phone call if it makes sense (I'd still prefer that over dozens of back-and-forth texts where nuance is tricky and it's easier to misunderstand each other).
It's at the point if my spouse or most close family/friends actually phone me, my reaction is "Oh no, what's wrong?"