"Pure incompetence" means a complete lack of skill, ability, or knowledge to perform a task or job. It implies that the person is incapable of doing something correctly or effectively.
Full definition
So I hope there is truly something more to this mess than
pure incompetence on behalf of management.]
Type # 3: this is the guy who assures you he is not out to get your chips, and sincerely means it, but by his bumbling, stumbling or
just pure incompetence he winds up trying to take them anyways (even though he doesn't mean to).