"For all its sanctimonious talk of “open debate” and “community”, its business model is to optimize for outrage; outrage means maximum “engagement” and hence profit. Facebook’s attempts to create less toxic politics have regularly been reversed because “engagement” appeared to have declined as a result."
https://www.theguardian.com/us-news/commentisfree/2023/jan/27/trump-return-facebook-meta-hypocrisy-democracy