This is too bad, I enjoyed being able to take a long walk in the relatively uncrowded international pier on my SFO-YUL-YHZ layovers. The National Bank lounge was also a nice option and the international MLL seemed to let me in as an SE most of the time if the YHZ gate was anywhere nearby (which more often than not it seems to be).

The Domestic gates at YUL are so crowded and small!