Convince you of what makes sense? You seem to think Mr Neufeld was fined for saying “there are two genders” but that’s not what he said.

Do you know the statements that made evidence for the trial in the first place, before asking for being convinced of anything?

Edit:

ask anyone off the street and you’ll get a random number

this is a like asking how many colors are there in the rainbow. Most people will name 5 to 7 colors, but the answer is “all visible colors, which is a spectrum and not a set amount; the fact that we usually name the common ones doesn’t mean we there exists 7 colors only”. The reason this question doesn’t have a right answer isn’t that “we can’t agree on it”; everyone who understands gender agrees the question itself is wrong because it starts from bad assumptions.