>>52874836Sure, but that's also just a gameplay mechanic. It stands to reason that in actuality a pokemon would be capable of holding back if it so chose. The fact that critical hits exist already shows variance in attack power.
And while Miraidon is one of the first pokemon explicitly confirmed to have killed a person, it's hardly the first time there's been an implication that pokemon are capable of killing people. There are numerous dex entries and dialogues that imply deadly consequences from contact with wild pokemon.
