Well, I happen to know a few members of the Washington Alpine Club that you ran into and the redhead was not pulling your leg, there are only 8 students in that class. (I gotta say......that redhead has one hot body though, huh?)
As for monopolizing climbing walls, I don't see your point. As long as there are climbing classes, these classes will need walls and areas to teach. When you climb as a pair, you almost always have to wait for the previous climbers to finish with the route.
If its easier for you to swallow, why don't you picture the class as 8 seperate climbing pairs that all got up earlier than you did.
Better luck next time.