As mentioned in the post, Congress is perfectly free to get its act together and do proper legislation themselves, but since they don’t actually want to do that*, then it’s insane for them to pre-empt the states from doing it.
* (E.g. the US Senate, or rather all the 100 individual Senators, could at any time abolish the modern filibuster and actually restore their ability to legislate as a co-equal branch of government, if they ever wanted to. But they don’t.)
As mentioned in the post, Congress is perfectly free to get its act together and do proper legislation themselves, but since they don’t actually want to do that*, then it’s insane for them to pre-empt the states from doing it.
* (E.g. the US Senate, or rather all the 100 individual Senators, could at any time abolish the modern filibuster and actually restore their ability to legislate as a co-equal branch of government, if they ever wanted to. But they don’t.)