not really. there are probably half a dozen places online where you could set up or fill in a group in less time than it takes to find a match in MCC.
I usually got 10-15 replies in ten minutes when i would use /r/fireteams.
Point still stands that while a typical person can do this, it essentially boils down to having to do MANUAL matchmaking yourself outside of the actual game. I still can't justify why Bungie designed the game this way.