(Baby carrots are just big carrots that have been pre-cut and marked way up. Info here: http://www.wisebread.com/baby-carrots-the-frugal-idea-that-i... ... which also brings to mind the semi-related issue of America's aversion to non-"perfect" produce. That's one of the reasons small, local producers have a hard time selling to big grocery chains -- they can't afford to cull their produce of the "ugly" carrots, tomatoes, peppers, etc.)
The fruit there seemed smaller, but far, FAR more tastier.
So it's not just the looks, but also the size that seems to matter in Australian supermarkets.