I was just thinking about that.

Your article advocates a (X) technical solution to robocalling.

Your idea will not work. Here is why it won't work.

(X) Requires too much cooperation from telephone service providers

Specifically, your plan fails to account for

(X) Extreme profitability of robocalling

Furthermore, this is what I think about you:

(X) Sorry dude, but I don't think it would work.