Entertainingly only really for the federal government. Of all the provinces only Alberta and PEI have broke even or made anymoney.
Not saying there is not potential tax revenues, just that right now most provinces spend more then they collect for one (corruption) reason or another (needing to be seen being "tough" on drugs).
They're not calling for hi m to legalize it, the letter they wrote is asking him to reschedule it from a schedule 1 drug to a schedule 3 drug. Still can't see him doing it.