This is bound to endear large folks to fellow passengers.
Between this, and the Mastadons that visit all you can eat trough restaurants, Canada could become a great place for fat suit wrestling.

In the long run, because of the conflict created, one can envision a fat person's bulk taking up part of a 2nd seat; This half seat of blubber is then offered as a peace sign to other passengers so as to not create a spectacle.

The ramifications of this quandry will up gastric bypass surgery
and health care in Canada will suffer.