I predict that this thread will get rather heated.
In this corner.... the apologists! "Air Canada can do no wrong, and if you don't like them then fly something else!"
In the other corner..... the alarmists! "With a culture like that we are lucky that planes aren't falling out of the sky every day!"
Now just to rile everyone up, remember this guy?
Cabin pressure: Are airline contractors cutting corners on safety to earn business? | Financial Post
In all seriousness, let's try to stay civil and make tcook052's job slightly easier.