That doesn't appear to actually be the argument he made.
According to the decision, Peterson and his team made two arguments.
I can maybe see interpreting #2 there as the argument you claim, but it seems a stretch.
Regarding #2
I will bet, some, no most, if not all of the social Justice warriors who are hypocrites, who don’t how to read.
Have never worked with legal rulings, quite obviously, have never read a legal document, whether half a page or 100 pages, or contract, have never had to put pen to paper, and their name on them, even bothered to read Vavilov.
They also likely even haven’t paused long enough to consider aka think, why new legislation goes through readings, and revisions, and the senate either.
Clearly, not understanding some things, let alone how to read plain English, never mind how to read and interpret law.
In some professions, it’s called Legalese for reasons.