Yeah if you have a decent enough team in the "normal" version you don't really have to worry about the 10% rule.
2. Decent Team.
That's why I go for 10% when doing normals with PUGs. I won't ask the others to, but I try to equalize the damage regardless.
"Don't let them promote you. Don't let them transfer you. Don't let them do anything that takes you off the bridge of that ship, because while you're there... you can make a difference." - James T. Kirk