The biggest problem you have to watch out for is that good friends aren't always good coworkers. And the fact that someone is a good friend can cause people to

The biggest problem you have to watch out for is that good friends aren't always good coworkers. And the fact that someone is a good friend can cause people to purposely overlook things that might make them a bad fit. So that said, I personally would be hesitant to hire someone solely because they're someone else's friend.