Surely, mandating masks and social distancing during a once in a lifetime pandemic is not an overreach of government. Lock downs, hard as they may be for all of us, are not and overreach either. They are a last resort needed to ensure public heath once cases have overrun contact tracing.
First Nations have lived on the land we call Canada for thousands of years before this land was "discovered." Over this time they already ran into the problem of who is and isn't a member of their nation and had developed their own systems. These systems are what should be used to determine who is First Nations, rather than blood quantum laws.
Even in Canada, the denial of the validity of transgender people's lived existence remains. Two out of the four leadership candidates for the Conservative Party of Canada want to remove protections for transgender people.