If people in Red States would refuse sell or lease property to people from Blue States, this would not be an issue.
However, it would appear that the people in Red States love the Green Money of people from Blue States.
It has gotten so bad in Reno, that I think it is illegal to open a restaurant that does not serve kale to pretentious hipsters driving priuses with coexist bumper stickers. We have devolved from the sagebrush rebellion, to the pussy hat whinefest.
I have long argued that it is an excess of money that causes liberalism in the wealthier classes. Their children often don't grow up in a world with real problems that can't be solved by using Daddy's (which to them is someone else's) money.