"the dubious practice where Business Pages and celebs can rip videos from elsewhere, repost the content on Facebook and grow their brands while robbing the content creators of views." (From the article)
(For those who don't know, the word, in the context of copyright, was invented on the excellent Hello Internet podcast - https://www.youtube.com/watch?v=-j-tCHzjam4)
So ... that is the definition of freebooting ...
But what is the definition of "believing that freebooting, and things like it, work at all ?"
Although hopefully this update will stop it working.
But the commentary from those that are the victims indicate that this sort of thing could be very problematic for them. So I do hope that this and this sort of thing helps lock the bad actors out.