Not necessarily. I think sometimes those committees are composed of people who never will work with a perspective employee. That isn't bad, but I think a team should have its on sub-culture and be able to make decisions for itself most of the time. I really only have experience with smaller? teams 5 - 10 people.

The risk with that is, that you create a lot of island and switching between teams becomes difficult. Also, bias tends to crank up if it gets personal. (you literally see people judging sense of humor of the candidates, if they know they'll work with them closely). In general I think it's best to interview not knowing if the candidate will end up in your team/