Well, clubs are great since you can share knowledge from different people with different experiences.
You'll learn a lot from a club. But I don't think club must be this harsh. I think there are some considerations you can point out to them. Since they are much younger from you I think they...
Atlas Code 100 just looks too big since it is robust that is why it is unrealistic. So, I recommend you use Code 83 since it is easy to work with – with realistic height.