> My point is that there is no way to verify the degree of "good faith genuinity", so we cant use that parameter in aspect of legal actions.

That's literally a thing that happens during trial, at least for certain crimes and legal systems.

Can't speak to this specific case because (1) IANAL, and (2) my grasp of the French language is so bad that I can't even reliably say the French for "I don't speak French".

https://www.criminal-lawyers.com.au/criminal-defences/lack-i...