> Those features drive use but did they also increase profit, given that Facebook successfully enshitified their main product (the news feed)?
I don't have any insight into groups, but I do into Marketplace where yes it absolutely did.
I'd be astonished if Pages didn't have a measurable effect too since they are one of the main ways brands (which is a major source of FB revenue) interfaces with FB.
(on Facebook core product)
I am leaving out their never really widely launched crypto hype disaster of a product on purpose.