For instance, see “The Family Shakespeare” by the Bowdlers. Interestingly, critics seemed to pan it for similar reasons to HN’s commentators, but the book sold well:
https://en.wikipedia.org/wiki/The_Family_Shakespeare
I’m considerably less dogmatic about this than I used to be. Enid Blyton was a staple of my childhood, but do I really have to explain to my daughter why golliwogs are offensive if I want to give her a copy of the Magic Faraway Tree?
As long as the original books exist somewhere, I don't really think it matters if we give a cleaned up version to modern kids.
And it wasn't the depiction due to the time period the Indy film was set in that made it racist, it's the depiction of Indians as primitives who eat monkey brains and all that rubbish. It was just a trope in the '80s. If they aren't from the West, they must be primitives, etc.