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They actually discussed this model before expansion - every team would play the teams in their own conference twice and half of the teams from each of the other conferences once. This would have meant 16 games and every team would play every other team in a 2 year cycle. It certainly makes more sense to me.
However SANZAAR put the current model in place in anticipation of future expansion. If that's the case I would say worry about it if/when it happens rather than screwing things up now.