All they would need to do is set up some cross-posting pipeline and the work would be pretty much zero.
They could even drive people to click on mastodon/bsky links this way if they wanted people to go to the decentralized web.
This take is not valid.
> It's better to have a smaller core of highly engaged people than a mass of disengaged eyeballs glazing over.
which to me, it's better to spew a message out into the ether with the chance that someone might happen upon it rather than close things off entirely.