No, absolutely not. We will continue to value output that purely shows human thinking and effort.
Will we? I will value output from people I personally care about, because I want to know more about them. But what about the other 8 billion people? Do you value their output because they are human or for some other reason?
Say there was a Chinese artist in a room...
I'm fine with AI writing as long its not bad. The issue is that its far easier to produce large amounts of poorly made AI writing over well made AI writing.