Ditch MMR, Fight Your Rank Only
Riot, Please ditch the MMR system. I am ranked by division and tier, not by my MMR so do not balance my matches by my MMR. If I am silver 1 and getting smashed by other silver 1's then I will fall. Same on the flip side, if I am silver 1 and I am smashing other silver 1's then I will climb.
KISS (keep it simple stupid).
Update: Also, if you're really adamant about your argument about dodging promos then fine rank me based on my MMR and ditch the divisions/tier system. Either way, they are too disjointed.