This is why the adverse reaction must be proportional to the effort required to counter the destructive behavior. It must be strongly discouraged.

One of the worst things you can do is pull punches when you get "contributions" that are net-negative because they waste everyone's time.

That's very hard to do in a work environment where you have someone above you who doesn't understand or care about this. Instead of keeping things sane so they can run smoothly, you will be seen as slowing down progress.