I very much doubt it is racism.
Not sure that Fleur has a big fan base amongst the Strictly viewers. I had heard of her but most of my friends and family hadn't.
I think also she may have been middle of the board again (not sure about that) but if so people vote for their favourites who are lower to try and keep them safe.
I like Fleur but her dancing doesn't really excite me and she is too stompy. While Hamza is in I am going to vote for him every week