Let's say that I get paid basically the same whether my team performs adequately or whether it really excels. In this case, why wouldn't I prefer friendly team

Let's say that I get paid basically the same whether my team performs adequately or whether it really excels. In this case, why wouldn't I prefer friendly teammates? As long as we perform adequately, we're gonna get paid the same. Let the superstar assholes work on someone else's team!