Twitter Starts Releasing Ability to Stifle Conversation Occurred on 20 May 2020

Twitter starting rolling out the new feature of stifling conversation, which they had announced in the beginning of the year, to certain users for initial testing.

Styxhexenhammer666 said it best:

This is a way of allowing vapid celebrities and idiot politicians to say dumb sh*t and nobody can actually point out, you know, “Acutally, you’re wrong. You’re a piece of sh*t.”