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It is not going to change because those states that are disadvantaged by the change will not agree to it, so we are discussing it here for fun, not for profit. And if you think the advantage those states have is so overwhelmingly good, you are free to move to one of them, they are not exclusive clubs or oligarchies, they are open democracies themselves.
A major side benefit we get from the electoral college is, our elections get fought out in a small number of places which is an economically efficient way to do it. It is not the case that we are ignoring the voters of the other places, we are simply precounting them into their respective columns. If those places swung to more left-right balance, they could add themselves to the list of places fought over, and I guarantee that would make none of those people happy because elections, like making sausage, is ugly business.
Remember, if enough people move from California to Rhode Island, it is Rhode Island that will be complaining that California is getting a free ride in the electoral college...