> realistically no one ever cares or brings this up from the perspective of celebrating American origins

It's still a very common narrative that's historically been an integral part of the myth around this holiday. And it's simply a fact that the Wampanoag and other tribes of the Eastern U.S. even to this day dedicate what we call Thanksgiving as a National Day of Mourning; https://en.wikipedia.org/wiki/National_Day_of_Mourning_(Unit... A similar memorial gathering is held on Alcatraz Island: https://en.wikipedia.org/wiki/Unthanksgiving_Day