Well, at least it is now generally agreed that it was wrong to display the stuffed body of an African Bushman. That was not quite as bad as making lampshades out of human skin, but it was on the same spectrum, showing a massive lack of respect for the deceased person. Why it is not also felt to be disrespectful to display the bodies of Egyptian pharaohs is not at all clear.
It is not only the dead who can be used as "edutainment" by first-world countries. The attempt to maintain the isolation of "uncontacted" communities is likewise dehumanizing, treating the members of these communities as though they were monkeys in a zoo. However much we may cherish the animals in a nature preserve, we would rightly bristle at the thought of anyone putting us, or anyone we consider to be genuinely our equals, in a preserve.
It's one thing to protect indigenous peoples from being exploited or to allow them to continue in their traditional way of life, if that is their choice; it is quite another to withhold from them the information necessary to make that choice for themselves.