It hurts to exclude people from the team, but...

[Cuog]

Your team sounds like they need a strong talking to about what FIRST and Gracious Professionalism are all about. Every team should be open to accepting as many people as possible and is of course important to prepare everyone possible for future careers. In addition to being a preparation, its also intended to inspire kids into fields of science and technology, I don't think that shunning someone from FIRST is the best way to inspire them with Science and Technology.