That’s an interesting, and slightly more nuanced, point. There are also squadron badges that depict stylized ‘European’ warriors — 414 Squadron’s Black Knight comes to mind. Do we want to erase all aboriginal imagery from our crests, while leaving the European imagery intact? That seems counterproductive to me, and doesn‘t strike me as particularly diverse.There are a number of Canadian Squadron crests that depict native people. That, apparently, does not match modern sensitivities.
But there are heraldic specialists in this field, albeit that didn’t prevent Canada Command’s dragon and wyvern badge, AKA ’the fighting seahorses’. There weren't many tattoos made of that one,