If it was, it wouldn't have been for a while. Most of those states weren't legalizing by choice. They were legalizing by court order. And they were also fighting it tremendously. The remaining states, if they did have the ban struck down, it would be by court order, and they too would fight it with all their effort. Having a Supreme Court decision makes it (almost) final. Instead of fighting for the next few generation, they affirmed what all the other courts would hold up anyways, that it is a human right.
If it was, it wouldn't have been for a while. Most of those states weren't legalizing by choice. They were legalizing by court order. And they were also fighting it tremendously. The remaining states, if they did have the ban struck down, it would be by court order, and they too would fight it with all their effort. Having a Supreme Court decision makes it (almost) final. Instead of fighting for the next few generation, they affirmed what all the other courts would hold up anyways, that it is a human right.