There is probably one good reason, if your company promoted a dumb ass, as your boss.
The reason is the oldest in the world. Politics, politics and politics.
But then again, Darwin's law always wins, no matter what the game rules are.
So when the market gets tough on companies to deliver significant results, the trades, networking and comradery will make room for effectiveness and performance.
Perhaps not in the short run, but certainly in the long run.