Ok. Let's bring this back to the issue at hand which involves anger directed at Air Canada. The anger is misdirected.
Air Canada's options are limited. People have unrealistic expectations if they think that Air Canada can address the situation.
Air Canada cannot, absolutely, cannot, violate the applicable laws that are associated with the rights of people to claim the use of a service animal without serious sanction(s) resulting. In addition to the applicable federal law, the territories and provinces have about 19 specific laws that protect the rights of people to use service animals. Your grievance is with the governments who pass the laws which regulate this matter. Take it up with your MLA/MNA/MPP/MP legislators. The airline is sitting in Rouge economy on this with someone reclining in the seat in front (aka between a rock and a hard place). I get it, there is abuse. No argument from me on that. The airline may see this as a small irritant with the potential of negative PR and sanctions if it intervenes.