An open platform could be as simple as hosting their own website. You don’t need to be in a “bubble” to know about websites.
I promise you, most public institutions are capable of hosting a web site or running a bluesky account
> Public institutions especially.
> There's zero excuse, none.
Maybe it wasn't their intent, but they clearly wrote it as a more general statement, with an additional and specific intolerance to public institutions, which is also how others interpreted it.