Are you saying you want icons removed from the GV's so planes cannot see them? Or the correct suggestion of GV's not showing or seeing icons?
You take the icons off the GV's so that they are not ID'd by aircraft, and you have to make the GV players just as blind. Let them figure out if that dot is a 109, an La7, or maybe it's a Tiffy.........fair is fair. Do for one, do for both.
Just my input.............