Twitter can ding Trump, but let's not pretend it's about enforcing policy

This is a laughable justification. First off, what is the “identifiable group”? Is there actually a group of Black Lives Matter secessionists in downtown Washington that Twitter is protecting?

But also, it’s certainly not true that Twitter cracks down on all tweets that include “a threat of harm against an identifiable group.” People threaten harm against groups all the time on Twitter. Threatening harm against people you think deserve harm is a major category of tweets.

For instance, here’s Bernie Sanders threatening jail for an identifiable group.