The Soviet Union disavowed the very existence of the Czarist era of Russian History, erasing it at every opportunity.
To eliminate every trace of the heritage of the various Presidencies of history, is very much like the actions of Stalinist Communist rule.
Now everything goes into an Orwellian “memory hole”, erasing every trace from the written and physical record.
Yes, the Native Americans were treated badly AT THE TIME, but there has been a huge degree of atonement since then, and the greatest benefit has been to endow the entire Native American population and their descendants with a full claim to US citizenship.
Except for a brief period during "The Great Patriotic War", when Stalin approved making films about Aleksandr Nevsky and Ivan the Terrible.