It's the only way you will be able to find games efficiently running 2+.
I hope they make it to where running with parties no longer requires you to match up only against other parties.This is what made MCC so horrible. Going alone and matching with team of 4.
Yeah this would be great too, however, I doubt they would do this; it'd be too much work for them. Nobody runs in more than teams of 2 right now because they can't find anybody. If they did this, more people would start running in 3's again. They should prioritize teams of equal numbers but allow smaller teams if needed.
Realistically, I hope they fix the framerate issues. That's be cool.