Comment by jeffwask

Dahl edited his own works in future editions. The 1964 Oompa Loompas were wildly racist caricatures that he was forced to eventually step back from.

https://groovyhistory.com/oompa-loompas-the-original-ones

There are a lot of wonderful things in his works that don't change because of minor edits to bring things in line with a modern zeitgeist.