Before the Texas case the Court could have rejected appeals from the Trump campaign and voters saying it's a political issue, not for them.
Now any decision they make will be political. Yes, that was true before, but they could say not getting involved was the only way to not be political. Now they can't do that. They piss off the blue States, or they piss off the red States, and they can't split the baby.
Might as well do the right thing then.
It's a Constitutional ruling.
If you want to see it as political, that's up to you. I think our Founding Fathers would hate to see that our media forces their opinion on millions of Americans that this is nothing other than a political decision. I think they would instantly consider western media as enemy combatants.