I am going to give a contrary experience to many in this thread. If the question is: "What exactly/can does the AC concierge do?" Then the answer is: not much lately. Closed their office early in YYZ the other night. Don't answer the phone. They don't have a mechanism for leaving a message and getting a call back. Basically unless you happen to be landside or willing to go back through security, and can visit their office personally, they are nonexistent/unavailable/useless. If anybody is thinking of mitigating the pain of YYZ via concierge services, I would have to say, don't count on it. And when I could speak to somebody, it was pretty clear that they knew less than the kids that replaced the experienced people a few years back. Pretty awful.

Bottom line: the concierge team is melting down as much as everything else at YYZ.

The other feedback I would have, which I did give to the conierge: is that under the present circumstances, unless you absolutely have to travel (for work), don't. Just use Zoom. I know many of us will hate that after 2.5 years of the pandemic, but really I just can't see traveling (via YYZ) on a regular basis until they get things sorted out. The failures are comprehensive. Personally, I will be doing my best to not travel until September/October. It really is that bad.