Probably for the same reason statues of all the scriptures are being bad a lot in all countries. Unless you think there's a certain reason that Western culture is worthier of the attention for occurrences of vandalism and the other somehow aren't?
But we digress.
As indicated by the comment that you're responding to, I'm just curious how anybody knows anything about what's going on in Australia outside of Australia, and even within Australia for that matter. Granted, there probably more Australians on this site that are Trumpers than there are actual United Statians, err, scuse, bloo'y Yanks, but still. It's not exactly like items at this sort of popping up all over my news feed on the homepage. Or anybody else's.