That depends a bit. Differences can complement each other. Some people might be better at some things, while others are better at other things. (thus combining

That depends a bit. Differences can complement each other. Some people might be better at some things, while others are better at other things. (thus combining strengths) Some people might actually be really bad at some other things yet again, while others could happen to be very good at them (thus covering each others weaknesses) When you have people with different backgrounds and training all working together you can do things together that you wouldn't otherwise be able to do separately.