I tend to look at it as book smart and street smart.

Yes, this classification is accurate as you can categorize them in these two category, but this guy was neither. What do you do with those? Imagine you are given a junior, to help you in your activity and they are useless. What do you do with them?

I've been in situations, where one of my coworkers left and there was no one for his position, and the whole team's work depended on him. It wasn't my area, but along with a technician, we did the job for two weeks, till someone could fill the position. At least you make an effort, try your best, but when there's no willingness ...