You're still making the assumption that someone knows that YYZ and YXU are the only nearby airports.

As I said, I didn't know YGK was an AC station, even though I was visiting places near Kingston regularly. I thought my options were YYZ and YOW/YUL, combined with a drive. A raw map only helps if you already know where AC flies. Maybe there's a small Niagara airport, or a Hamilton airport, etc. Even to me (and I'd like to think I know a little bit about AC in the GTA), I wasn't sure what the answer was when I opened this thread.

If someone comes and asks "What airport should I fly into to visit my friend in Ottawa?", then sure, flame away. But that's as simple as typing Ottawa into AC.com and finding out they fly there. It's a much harder problem when it's "I'm going to Trenton, what's the closest airport?", where typing in Trenton is going to give you zero results.