Problem with traditional SBMM is that it ranks the skills of individuals and then forms teams with those individuals. While this might be good for average players and below, this makes every single match for a love average players a meta-abusing sweetest. No place to have fun and loadout variety plummets. Problem with CBMM is as you said. Above average players flourish by stomping those on the opposite side of the spectrum. Nobody wins either way. My idea is a form of team based matchmaking. The system evaluates the skill level of an entire team (rather than individuals), whether it be randos or a stack, and matches them with another team with a similar skill rating. That way, there are highs and lows on each team, but hopefully they aren't so far apart that every game is a total blowout. This would require a fairly large PvP playerbase to work well and to it's fullest extent. This would also protect your average Joe from the LFG "IB Mercy Farm 2.0 K/D+ Checking Stats" six stack. Teams like that would be givin incredibly strong competition, while teams of normal friends playing around would be matched with teams on their level.