It does go to SCOTUS, but they can choose not to hear it. That is why Texas asked SCOTUS for permission to be heard. And even if they hear the case, they can quickly dismiss it.It's a law suit of one state suing another. I t has to go to the SCOTUS, and they have to hear it.
You are indeed correct with your supposition ...I care not for politics, but my selection of thisChief, I'm surprised at the Presidential election posts you are making since you have declared yourself a non-voter. Arizona went blue this election, but how would it have turned out if all the non-voters, like yourself, had got out and voted.
Just my 2 cents worth.