Winning "solutions" embarrassingly deficient

Some 5 months ago Gabe A (Gabe1878A) posted this excellent distillation highlighting the nuances to this challenge. He/She displays an acute grasp of the fundamentals and should have been a judge. The winning solutions are embarrassingly deficient ...

Gabe A: This problem has a lot more technical challenges than many here give it credit for:

1) You need to be able to screen ONLY robocalls out of the mix
2) You need to be able to detect who are the frequent offenders and block only them
3) you need to have a way for people that are erroneously locked out to authenticate themselves back into the phone system
4) you have to leave some tolerances for things like reverse 911 lookups, etc.
5) You need to have a totally scalable, easy to implement solution
6) You have to find a way to identify offenders so that switching numbers will not give them more than a minor (in my opinion, 3 or 4 call) advantage
7) You have to protect users' privacy.

There is no simple solution to this problem, and I'm a bit annoyed that people are proposing such simplistic, even childish, solutions.