I dont know if that’s true. If I could consume Facebook via RSS, I might follow it a bot more. When I wanted to respond or like, I would have to switch to the app.
Apparently Mastodon generates an Atom RSS feed for every user, https://news.ycombinator.com/item?id=16755553
You used to be able to do that. The problem (from fb's point of view) as the sibling comment points out is that you'd never visit facebook.com unless you wanted to actually wanted to interact with the content.