They botch jobs

Usage examples of bunglers.

No one would miss these bunglers, who are stinking up Tallahassee with their rotten, self-serving politics.

At first, he had thought that these people were SOE bunglers, rank amateurs.

There are also a lot of people who got dragged down forever by it -- which is probably just as well, for the rest of us, because many of them were exposed as either dangerous bunglers, ruthless swine or both.