Agree they won’t prosecute silence, but it might be the equivalent of not making the trip, not taking the risk, not venturing out. The opportunities might be entirely missed. Would be trivially easy for AI to screen social media for candidates.
(Not saying job prospects are the be-all, end-all, either, just using it as an example because a lot of people keep their mouths shut to protect future employability.
There are other more important reasons to dissent from bad policies.