>I agree with the rest of your post but I suspect that in this instance Meta, a large public company, that might leery about doing something that potentially embarassing.

I wouldn't say that the company directly responsible for the state of online discourse today as being leery of doing anything.

https://www.theguardian.com/technology/2014/jun/29/facebook-...

  It has published details of a vast experiment in which it manipulated information posted on 689,000 users' home pages and found it could make people feel more positive or negative through a process of "emotional contagion".
  ...
  One test reduced users' exposure to their friends' "positive emotional content", resulting in fewer positive posts of their own. Another test reduced exposure to "negative emotional content" and the opposite happened.