Well, the Trump outrage is usually accompanied/prefaced by remarks such as it could only happen in America or something like that would never happen in Canada. You Yanks do not understand just how much so many Canadians hate you and look down on you.
Mouse, not a hoax. It really happened and some folks really lost their jobs over not doing it but for not condemning it.
The origin of the meme was eventually debunked as a hoax. Here is the meme's history.