It is historical revisionism, and making superficial changes to it is overall harmful. If a work is written by a racist author, changing a few words isn't magi

It is historical revisionism, and making superficial changes to it is overall harmful. If a work is written by a racist author, changing a few words isn't magically going to make the author not racist. Their opinions will have influenced the entire story. The article clearly demonstrates this with the Death on the Nile example: the entire work is based on the framework of British colonialism, removing a few racist stereotypes isn't going to change anything about that! At best, you end up pretending that racism never existed - which isn't exactly a great thing to teach children either. Works like that should be provided as-is, with the required context as to why the work is the way it is. If we want to provide children with works that are more up-to-date with today's society, then start providing newer works. It's not as if nobody has written a book in the last few decades!