I mean, hiring is hard, it is why most people that do hiring/firing are morons but it is not really their fault it is just that most people suck at it.
People try so hard when it comes to hiring but they don't need to do that. They just start to out-think themselves. What about Rhule screamed "Must Hire", literally nothing. But as the person doing the hiring, you start to talk yourself into it.
Anyone that does hiring knows that they are bad at it and they also know when they do hire someone good, it was probably just dumb luck.