Yes, many people already have Facebook accounts.
Logging on to the forum via Facebook was possible in the past, but I removed the feature:
But even so, Facebook logins were almost not used on the forum at this time (I’d say less than 5 accounts were linked to FB).
We can still register via Google, which is way more popular, but also with Discord or Twitter/X.
It doesn’t skip the “register an account” step tho, it’s just easier and faster than creating an account without relying on a third-party authentication.
I think the major reason why people would look for info on Facebook rather than somewhere else is the path dependence.
I think the first good step to make the forum more appealing (which doesn’t impact discovery) would be to have a more welcoming home page for visitors.
The current home page is bland and filled with (mostly) technical topics, which can feel intimidating (?). I’d be happy to be wrong 