Yeah, this is basically how regulation works. You give whoever a chance to do something reasonable before you bring the hammer down. Threat of regulation is a key part of the process.

Ajit Pai just did this move with robocalls and SHAKEN/STIR:

> Ajit Pai orders phone companies to adopt new anti-robocall tech in 2019 Pai threatens "regulatory" action if carriers don't use Caller ID authentication. (https://arstechnica.com/tech-policy/2019/02/ajit-pai-orders-...)