Reviving this old thread -- sorry.
Just wanted to add in, I received GE last year (June?) in San Antonio during a trip (saw a last minute availability, got lucky)
I was approved but asked about a juvenile arrest/misdemeanor.
Going through Montreal last September, I received the dreaded X.
Went up to the window, agent asked for my drivers license + passport, looked at his computer, then me, asked me what I was doing in YUL, how long I was here for, am I bringing anything in (I said no, but totally forgot about the maple syrup in my bag) -- could see my bag on his screen, and he sent me on my way and that was that.
Found it kind of odd, but it sounds like Juvenile record is flagged for 6 months after account opening.
Using it in a couple weeks, hope that I don't get the X again.