Ah, so this is what I was missing :) I thought he literally wanted an algorithm to reverse the floor method that he showed in the video. However, even with this explanation reversing the floor wouldn't be possible considering it is lossy? He would first need to find an algorithm that doesn't need the floor :)
There should be some sort of rating system how bad they are. Most of them are really bad, but for example I can't really disagree with Zara's tweet. I guess only the timing is pretty bad, but no mention of BLM, systemic racism or other bullshit.
When you start to think about it the big tech must absolutely hate IRC. Obviously you can silence and ban users there but you can't delete the messages.