Yes, you can add different stat scores, but how would you credit the use of those buffs, debuffs, and holds into the stats that the OP listed? Like if the support toon had 20% -res placed on a mob, would they get kill credit when the mob's health is equivalent to the debuff? Another example is if support put a lot of +def on a teammate, without it they would have been hit, would they get credit for HPS since they proactively kept them healed? The other way around now if the support doesn't use powers and squishies keep dying because they're held, if they hadn't been held they would have no deaths. Like in 4* you don't get insps to save yourself and if you just start taking power pools to protect yourself it'll likely be at the expense of more team friendly powers.