She lost me with the whole "It's not your world." Um, yes it is. JKR created this world. She can do with it what she likes. Bitch about it. Boycott it. Use it to educate. Whatever. But it's her story.

As somebody who doesn’t live in the USA and is therefore not drowning in a morass of racial neuroses, I don’t find anything remotely offensive about Rowling’s description of Native American magic.

What part of “fictional history” did you not get? You know, I was willing o listen to the Native American complaints. I really was.