I think - she’s a typical American actress who think the world should do as she says and is now running away because people don’t love her like she thinks they should.
This
Racism has absolutely nothing to do with it. Invoking racism is simply lazy and deflects from the real reasons she engenders dislike.
She is an entitled luvvie and appears a domineering person who seems, from the outside, to have changed Harry from the popular person he was before his marriage to the man of tiresome wokeness and sense of prerogative he is today.
It is pretty clear she expected fame, fortune and privilege from this marriage rather than a life of duty.
This is why she is disliked. No-one could care a jot what race she is.
They have accepted the large sum from taxpayers for the renovation of their house and we will continue to pay millions annually for their close protection and other expenses even if they perform no public duties.