In team games you have a huge advantage if you play with someone who you know / can and have worked with in the past. As a result of this, people tend to pair up and play on the same doubles and triples team over and over again. The fear is if they branch out and play with a new person, a combo might be playing against them.
I am not sure how to make this enforceable (or if it is even possible), but can a game play modification be added to make team games specifically with people you don’t often play with. This way neither side would have an advantage, and it might mix up the same old teams a bit.