MM with parties is a nice thing, but what you aren’t taking into consideration that even if people joined a match as a party, there’s no assuring they’ll get to play on the same team. Maybe I have a flawed view on the whole party MM deal, but I’d imagine it finding a server and then just sprinkling the players in there, not stacking them to an assigned team.
For example, if a 6v6 server has 7 people playing, and a party of 4 joins in, unless the other team is getting spawnraped and people are leaving, they can’t physically all join the same team. Even then, them stacking an inferior team would turn the match for the better, allowing for (hopefully) more balanced play.
I regularly play with one or two friends, and if we want to play in the same team, we have to do some ridiculous spectatorwaiting BS to even have a chance of stacking a team. It’s very impractical, better off to just play.
Not to say this idea is bad, if the party MM were to stack all of the people on the same side, this would be very much necessary. But I don’t see it working that way, unless it would somehow combine two parties of the same size to an empty server. Sounds a bit impractical again, but plausible to some degree.