I think you are underestimating the significance of the ruling. In cases like this, judges issue temporary injunctions if they believe the law will most likely be found unconstitutional when the lawsuit is resolved. The judge described the law as a “blatant violation of the 1st Amendment”, indicating that he will most likely issue a permanent injunction later.
So it’s only the “right call” if you agree with him. And if it matters to anyone, this judge is a Trump appointee.