I strongly disagree. If wikimedia choose to move their official presence to another network, it seems perfectly legitimate to inform legacy presences of the sa

I strongly disagree. If wikimedia choose to move their official presence to another network, it seems perfectly legitimate to inform legacy presences of the same. And it's certainly in the better interests of the community. Going to other channels and advertising the same would be spammy. For an analogy - say I have a repo on github. And I decide to move it to gitlab. Would it be fair for me to update the readme on github to say that the repo is now being maintained at gitlab? And would it be fair for github to take control of the repo so they can pretend it hasn't?