The guy was lazy and not very competent. We hired him for a specific capability that he was supposedly doing in his previous job. He knew the words and terms but was dangerous in his position. I can only assume that his previous workplace, a very large company, kept him away from doing anything meaningful so that he didn't mess things up. That's what we ended up doing.
I later discovered his resume was an identical copy of his coworker's resume (both were submitted several months apart for the same job).