a backroom deal [...] to leave the status quo and not limit education in minority languages in the upcoming education law
To be specific, the main change is for first graders to go from 7 hours/week for Hungarian and 4 for Slovakian to 5-5 (reduction by two - increase by one), because "ethnic Hungarian pupils don't speak Slovakian well but they should" (said the education minister). *Lunatic*, n. One whose delusions are out of fashion.
There is a tortured argument at least for the bulk of the law, it runs like this: "The publishing of rebuttals doesn't constrain freedom of speech, in fact ensures the freedom of speech of those whom the media mis-reported and libeled before without any outlet for those to give their version uncorrupted!" The one part that definitely breaches freedom of speech is the prohibition to react to the corrections/responses (as the rebuttals are officially called).
But there are other, equally bothersome aspects which aren't directly against freedom of speech: