This discussion has come up over, and over, and over, and over, and.... use the search feature to find out how those discussions went.
In a nutshell, however, FIRST stands for For Inspiration and Recognition of Science and Technology. Go read the "About FIRST" at their
website. It never says anything about being a competition where students build a robot all by themselves.
Additionally, as many many others have warned, be careful what you assume about the way a team operates. A team may function a lot differently than what you perceive.