The more people your state has, the more representation it has in the Congressional House. This isn’t about the electoral collage, but representation in general. States with more people should have access to a proportional amount of funding.
A swing state’s votes are worth far more than a non swing state. You get the executive branch (president) plus the judicial branch (president picks Supreme Court justices). And almost universally, states with less population receive more in federal tax benefits than states with more population, since they have more congressional power per capita:
