The Supreme court enforced slavery - and virtually ensured that the civil war would occur when it expanded slavery with Dredd Scott. (On the basis of something not in the constitution). The legislative made it illegal and changed the constitution. This opens the same path to legislatures. Hopefully without the civil war that occurred because the Supreme court played a role in preserving slavery.

Does nobody read history anymore?

Then elect federal politicians who are advocating legislation to decide it on a national level.

The current administration had a majority in both houses, knew this decision was coming, yet did nothing.

No it practically has not, the republicans would immediately filibuster any attempt. And they will keep doing so by locking in enough states which means that the majority of the American people can vote what they want, it wouldn't change a thing.