Originally Posted by
RohanV
Really? I would expect that if two people select E, they can both be put in the same group, regardless of what else they put in. If Anne is {E,F}, and Betty is {E,G}, they should still match up. That makes the matching as inclusive as possible, and reduces queue times the most.
If you went the opposite way, must match on every character, so {E,F} only matches {E,F}, I think you'd see that queue times get very long, and everyone will promptly switch to {E} to get the fastest queue times.