CC effects being effectively unlimited, with no resistance or diminishing return, is a real problem. Because it's not a balance problem in Crystalline Conflict, where jobs can't be duplicated on a team, they dfon't care. It's proof they don't care about Frontline balance at all. Any detrimental effects should not stack. Beneficial effects don't stack- two ASTs or BRDs can't give a group 2x of their LB buff- so why can I get hit by five SCH DoTs at once?