That was well done! I fell for it.

(Putting aside ethics)

Yeah, I'm quite sure it's algorithmically better because it triggers more comments.

On top of your point one, I think a good strategy is to have someone systematically commenting the opposite view.

<<The concept comes from Nobel prize winner Daniel Kahneman. In his book, Thinking Fast and Slow, he supports having someone play the devil’s advocate in any group taking decisions.

It’s also called the tenth man, is used by Israel’s Military Intelligence, and was popularized by the zombie flick World War Z.

The idea is that at least one committee member should always be against the project, no matter what. Their assignment is to find everything that could go awry. The others, in favor of the project, should explain why the devil’s advocate is wrong.>>

(Here's the full article, but I guess you got the idae)

https://medium.com/feedium/inner-circle-strategies-for-social-media-245f5fd8b8b0