[xwdv]

Canada didn’t write that, it was their social media account manager, which might be outsourced to a firm.

It might even be the same person who manages the United States account.

[whatshisface]

The Canadian government has a culture, which is related to Canadian culture, and both of them have a lot of influence over what is considered acceptable to post on their twitter account. Therefore, a tweet on an account publicly associated with them reveals information about the culture of Canada.