The signs are there.

"When one's input isn't valued, sooner or later one stops providing input. And as a result, the strenuous testing and debating of ideas, along with its associated learning, no longer occur. When this started to happen, the Digital culture was no longer the same source of strength that it had been".

DEC98.PDF, page 12

I observed the same behavior at Microsoft way back when. Add to this stack ranking, and I wonder if the recent events foreshadow its future.