I don't know what particular complaint you're referring to, but I've seen decisions by Canadian human rights tribunals get challenged in courts, and none of the

I don't know what particular complaint you're referring to, but I've seen decisions by Canadian human rights tribunals get challenged in courts, and none of the laws governing Canadian human rights tribunals invoke the legislative option to override to Charter free speech rights, so I think whoever filed that complaint is misunderstanding the reality of the situation.