The humans who claim to own FB are AI created fronts for a group of snails who really run things. The snails feed on all the debris and detritus that people post there.
Those snails, and the slugs who run the advertising side are huge.
FB isn't competition. There are fish groups running at the next few levels up, with a lot more expertise than we generally go for here. We're an entry drug and the junkies tend to use FB. They don't post a lot but there is good stuff if you like the more research based side of the hobby.
FB has done a lot of harm to what the internet could be, but it's there and there's no stopping it. We need to know the secret
@Ichthys accidentally stumbled upon. I know for my students, other data miners than Facebook mattered, and they saw FB as an old people's platform.