Virgil wanted his patriotic epic, The Aeneid, burned, but his dying wish was not honoured. The Augustus wanted it kept; it was just too useful as propaganda. But what kind of emperor has the time to manage every whim of a poet?
Of course, that sort of thing is delegated.
I hear that you are treating of the villainous crook-backed usurper styled 'King Richard III'. I trust your play will deal kindly with King Henry Tudor; he was, after all, grandfather to our own dear sovereign lady. What were your thoughts?"
It's a dirty job, but someone's got to do it.
Gaius Cilnius Maecenas and Sir Francis Walsingham both combined the roles of "patron of the arts" and "spy-master". Hence the first part of the idea title.
But it's hard to find just the right kind of highly-educated sociopath when you need them. And then they want paying, too.
Twitfacemazongle, alias "Surveillance Capitalism", already looms large in the intelligence-gathering space. So, why not use the same back-end software to discreetly promote the most helpful* content-creators? This is not about censorship of hostile voices; that's purely negative: no, this idea proposes the positive encouragement of genuinely talented people hoping to "make it".
Creepy? Undoubtedly. However, it would to some extent displace the existing system of having to sleep with the right people. So there's that.
*For some value of "helpful".