can actively advertise that. In order to not violate NCAA rules they need to be open to everyone.
But again if you think about it. Does BYU want some kid burning FB by some poor kid that is way overwhelmed or someone that is more comfortable. If they can try and get as many as possible to one camp it just works out better.
I think the fact coaches are traveling no matter who is coach, asst, ect probably tells that as well.