But these are all closed communities. I just think that it would be a point in having a community that is also searchable from google? Why is closed communities like Discord so popular?
If you don’t mind being centralized Reddit is what really killed forums and is still very good despite a drive to make it worse every year. There are many Reddit clones as well.
And that’s ignoring that phpbb/wordpress are insecure and need patching all the time.