The thing about Dahl books is that it isn’t just a bit of wording that’s the problem.
The entire plot is often driven by social ideas that just aren’t ok by contemporary standards. It’s not merely calling people fat and ugly, but what is punished and celebrated is often quite uncomfortable.
But, like all of these things, we’ll change some superficial wording and ignore the values and attitudes in the actual story. It’s the words you use that matter, not what you’re trying to say. 🙄