That slogan specifically promotes this:

https://twitter.com/KunkleFredrick/status/129834428507983872...

and this

https://twitter.com/rawsmedia/status/1298055028213678082

It's not just a slogan. That is the actual end result of such an ideology.

Silence is not Violence. Silence is the opposite of violence. Silences is stopping, thinking, looking at all the evidence, carefully evaluating and coming up with a sound decision.

This slogan says: "Be outraged immediately without knowing any real facts about the situation"

It's literally DoubleSpeak. You are literally, right now, using DoubleThink.