Consider how suddenly there is a spike of #TwitterMigration as soon as Elmo bans several journalists, and their media orgs complain publicly.
Clear indication that if media orgs decided to move away from :birdsite:, others would follow.
And sure, these media orgs are now between a rock and a hard place, having to potentially leave their presence there built over a decade. But they put themselves there, by promoting walled gardens for a decade.
They have some reckoning and introspection to do.