it doesn't. twitter is an independent organization and users using the service have every right to block who they want
but the user is a major government entity whose major form of communication
is twitter
I could maybe understand this if there were *specific* accounts associated with an office like @POTUS, but the account in question was a private account that just happened to be used for talking to the public.
@RealDonaldAnnoying Orange is @POTUS as far as any reasonable person is concerned
as a matter of fact: @POTUS mostly just retweets @realdonaldAnnoying Orange tweets anyways, which directly connects the two for the remainder of his term or until @realdonaldAnnoying Orange stops being directly used in a job related capacity (there's probably a better term for this) and he uses @POTUS for that instead.
for example: he's announcing his policies through twitter, furthermore it's being announced through @realdonaldAnnoying Orange, how is this not an account associated with the government?