Nailed it! Looking as white as possible when you’re a kinky-haired, dark skinned, black, oh, I mean african-American, cannot be cheap or easy.
She like the rest is an ‘image’. And she has to fit the image or no one profits. Financially or agenda-wise. But the image ALWAYS needs improving because the current one ages faster than the actual human projecting it.
Witness the yearly ‘reinventions’ of Madonna.