A game without roles is inherently scum sided, but a mislynch is not necessarily a bad thing. In a game with no info, the most powerful info is the flip. A town one can often prove just as useful as a scum oneWithout roles to inform us, all it takes is one mislynch and we're on the back foot. After that scum gets to watch while we blame each other and play us like a fiddle.
Surely we've got roles, therefore. A game without roles is heavily scum sided