I'm not sure I understand how this would help Facebook. Isn't it better for them the more content they have? More content more readers more advertising revenue.

I'm not sure I understand how this would help Facebook. Isn't it better for them the more content they have? More content more readers more advertising revenue. On the other hand there has been a lot of concerns of illegitimate accounts spreading propaganda, affecting US elections, and it may be harder for Facebook to validate accounts that basically only exist on Twitter.