Alright. Maybe if you send them an email they'll hire you on as an consultant for next time?
Financially what matters here is the change in sales based on these revisions and costs related to the changes.
Some people will undoubtedly buy books who otherwise wouldn't, especially because of all the publicity. Of all the people reacting negatively, extremely few of them matter. You're only relevant if you're someone who would have bought a newly printed Roald Dahl book, but now won't. I already own copies of most of his books, so I'm irrelevant. I also would probably have bought older versions anyway because they're cheaper, so I'm doubly irrelevant. You're not going to buy the book, so your opinion doesn't matter to them either.
I'm betting that this will increase sales, at least short term, but I have no idea by how much. I also have no idea how much they've spent on this. So, I've no idea if it'll end up as a profitable decision or not. But, I'm pretty sure that big publishers who make these kinds of decisions for a living have thought more about this than the two minutes you and me have. They're not doing this for fun, they're not doing it as part of a culture war.