Rule of law is one thing, Rule of Judiciary is another.
For what it's worth, here is part of the Federal court's decision.
"There is no denying the absolute tragedy that has befallen Mrs. Schiavo," Judges Ed Carnes and Frank M. Hull of the appellate court wrote in their 32-page decision. "We all have our own family, our own loved ones, and our own children. However, we are called upon to make a collective, objective decision concerning a question of law. In the end, and no matter how much we wish Mrs. Schiavo had never suffered such a horrible accident, we are a nation of laws, and if we are to continue to be so, the pre-existing and well-established federal law . . . must be applied to her case."
Doesn't look like judicial activism to me.