So, what exactly is the problem with this law?

These are the main excerpts of the Federal Law of the Russian Federation N 135-ФЗ of June 29, 2013 - the main portion is Article 3, b.  It seems to us that Justinian and his jurists would instead find this law much too mild...

Is it incompatible in any way with traditional Christian values and traditional Catholic doctrine on the powers of the State and the duties of the government in the protection of family life? 

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Lest some believe that this is ancient history, the decree of the Second Vatican Council itself on the Media, Inter Mirifica, promulgated 50 years ago, mentions the duty of the State (Publica potestas) in the special safeguard of young people in particular. Absolute freedom in any domain has never been Catholic doctrine:  (more...)

So, what exactly is the problem with this law?