The reason is simple the average person does not want to play Cheaters-Based-Match-Making all they want to do is get in play the four games and get the Fcuk out. That though really pisses off the low life POS sweaty cowards who spent tons of money to improve their Blueberry farming by purchasing hacks, lag switches, VPN's. Modded controllers ect. So in order to keep the low life POS sweaty cowards bungie came up with a brilliant idea and that is force normal people into playing this pile of horse sh!t by not counting matches.