Why not search for a few photography professionals to test the app and provide feedback as well. No offense to the enthusiasts that may work at Apple retail stores.
Why do you assume Apple is not? You are going a bridge too far doing so. This story only speaks to Apple asking retail employees. That doesn't exclude other beta programs for Photos. Like with FCPX, it's likely photographers are beta testing. Apple doesn't advertise all if it's beta test programs, most of which are by invitation only, not public cattle call.