My girls both have used the Rip It Youth size for years. We ordered a Schutt titanium Adult for my 14u. She has an average size head but it was huge on her. Very wide. She didn't like the chin cup, but she really hated the extra piece that comes down from the forehead. Said it blocked her vision...
#2 and #3 are tough.
For #2, you will never make everyone happy.
For #3 to be about the "process" (development and fun), then say playing time might be more equal. If so, then those who want #3 to be about the "outcome" won't be happy.
More so than not, the majority want #3 to be about the...