There is no argument against the convention. When the Supreme Court of Canada was asked in 1981, they said these conventions matter and the Government of Canada has to abide by those conventions, the government has to work to build substantial agreement among the provinces. The government, therefore, had to abide by that rule. It's not something you can simply dismiss. Conventions matter a great deal.
Let me quote Peter Hogg.
Do I have enough time to read the quote, Mr. Chair?