All holdbacks have an advantage, lets be real. Just like the boys, it gives them the edge playing with younger kids.
As has been said before, these girls are in HS now. So she's going to be playing against older girls for the next few years. Who the heck still cares about club lacrosse outcomes once the kids get to HS?
No one but the disgruntled. They will also be the ones to continue to complain long past when club is over for their daughter.