Are the Ninja allowed to be stronger because they're mentors now?

Throughout all of OG Ninjago, the ninja have gotten power-ups and lost them and lost fights that they should arguably win because of inconsistent powerscaling, however, I think the current portrayal of Spinjitzu, and although I'm only showing Kai and Cole here I feel like their elemental powers are really being handled/ I feel as if the ninja are more competent and powerful than they've ever been Kai- First to learn RDT and able to hold his own against AE Nokt(When he was helping cole and...