I assume they aren't because I know, politically, a majority of the Avalon Peninsula population would not do that.
It bothers me for my own political reasons - but even objectively it creates a false impression. You'd look at census data and think most people here see themselves as generic Canadians and have no inclination to go into the weeds. Whereas, in reality:
Now the majority are certainly Canadian and happy to be, but there's more layers and complexity than that.