I don't know what you're complaining about. The 767 and A330 service you have in YUL is a god-send. Maybe you are one of the few that flies paid-J all the time, but if there is a chance you will be stuck in Y, those two aircraft are the best.

I've stopped flying AC TPAC when my project budget stipulates I book Y. It is not worth the risk of being stuck on the HD or the 787.

Almost at MarcoPolo Diamond, and although I honestly prefer AC (I'm in the minority, I know), I just don't fit in the new Y cabins.