Avi, the same thing I posted in the other thread should be taken into account here, with the exception it applies to singles as well so i'll change it a bit:
Clans/singles shouldn't be allowed to ask for specific schemes, regardless what the reason is, if you don't want to play certain schemes, then recruit players who DO enjoy those schemes you don't enjoy, and if you are playing singles and you don't want to play specific schemes, then don't play, people care too much about having the best statistics, they even care so much about losing a scheme they don't even f@#!ing like, if they don't like it, just play and lose and focus on what you DO enjoy.
If all clans took this on board, there wouldn't be a problem, clans who tried to avoid schemes would gain a bad reputation, and everyone could just avoid playing them, and they would have to eventually play if they want to compete.
^^ The same goes for singles...
It isn't rocket science, all it would take is a team effort, but people are too selfish aren't they...
And yes, if I was MI, I would do everything possible to prevent well known avoiders from participating.