The decision was unanimous that states can't decide this. 4 of them think the prohibition is self-executing, which would have kept Trump off anyway but nationwide
Self executing what does that even mean in this context?
"Oh hey Trump I know you were on the ballot but it magically disappeared because the universe knows what you did last summer winter. People don't have to enforce the law, some laws just magically enforce themselves!"
Yeah and we can see how that "works." It takes a person to enforce it, that's what happened, and then the SCOTUS said "nah not like that, it needs to be magic."
I should clarify: a few of them aren't in the right's pocket. Arguably they are too biased the other way, but the court had traditionally been balanced fairly well most of the time. Not so for the last decade or more.
I get that the argument presented to them wasn't the best, and that's where the unanimity came from. But let's face it, the court has been a joke for a while now. And for whatever reason, I am not at all surprised that they sided with Trump.
Edit: also, to say it was a unanimous decision isn't exactly accurate. It was more complicated than that.