That doesn't really address the issue.  You seem to think it's a problem for someone to have their home value go up dramatically after living in the same old neighborhood for decades, and sell (at a huge profit) to someone that happens to be a different race.  

I don't.  (1) I don't think it should matter in the least what race the buyer OR the seller is, and (2) I'd think the seller would be thrilled to make a huge profit on the sale of their old house.

Now, does that mean others in the neighborhood that choose not to sell are going to be thrilled about wealthier white people moving in next door?  Maybe not, but that's just as bad as a white person complaining about a minority moving in next door.