Whether they deserve to be blocked or not, public officials communicating over platforms solely controlled by (foreign) private for-profit companies always seemed completely dystopian to me... However, there are already pioneers on the #fediverse:
To paraphrase Keynes: In the long run, all centralized social networks are dead. No one can kill open standards / protocols / software, though.
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!