The opposite. Whenever some project migrates to an inferior alternative like Github or Discord they always claim a number of arguments which boil down to "it's

The opposite. Whenever some project migrates to an inferior alternative like Github or Discord they always claim a number of arguments which boil down to "it's where people go these days" (e.g. less friction for newcomers, most people have an account there already, larger community, whatever excuse you can come up). So I say they are getting exactly what they wanted to get.