Comment by mgraczyk

Thanks for the reply.

It's true that Facebook the company is an emergent entity, and that the companies behavior and "wants" don't necessarily match those of its employees.

I disagree with the claim that "any technique you might use will obscure what's really happening in one way or another."

RCTs that measure self-reported wellbeing and other engagement-independent measures of mental health do not obscure what's really happening. Techniques like this could be used to actively improve user health, even at a cost to engagement.