That's only an upside for lazy jurists. For the people who say true things and punished for them, it is only repression.
I think should follow the basic view that we have always had: that the courts may consider anything they have knowledge of, the free evidence evaluation.
The primacy of freedom of speech must central, and I think we should think as if though everyone were psychologically very strongly compelled to speak about what he does and that we should have the presumption that he speaks honestly.
Truth is also special, and rightly holds a special place in people's psychology and in religion.