When a court corrects the legislature in respect to its attempt to balance freedom and security, it is intervening in politics. But that always occurs in connection with judicial review by constitutional courts. Even a decision that does not overturn a law as unconstititutional has political implications.
(The Judiciary and the Surveillance State: general trends and German experiences în Judges as Guardians of Constitutionalism and Human Rights (coord. M. Scheinin, H. Krunke, M. Aksenova), ed. Elgar, la p. 134)