> And it means that over half weren't bots.

I think the important thing here is to see which came first. How many people in a crowd do you need to start clapping, to end up with everyone applauding?

Steven Pinker's new book:

When Everyone Knows That Everyone Knows . . .: Common Knowledge and the Mysteries of Money, Power, and Everyday Life

https://www.amazon.com/When-Everyone-Knows-That-Knowledge/dp...