Still absolutely trivial for a state level actor to bypass, aka: the exact people you really don't want creating fake news that looks government endorsed.

Yep, we'll have to make sure that the only place internets posting can take place is in person at the Department of Right Thinking until you have a high enough social score to be trusted.

Because that's what all this is really about.

Exactly. Look for China as an example where this is already happening today.

Actual government-endorsed would never be fake, of course.

Via what device? A government-produced one? Or will it be a free-for-all, with Google, Alexa, and countless off-the-books Chinese factories producing competing products that you'll be buying on Alexa - that will surely be unhackable, no sir!