I'm not really sneering at other people's cultures that this one has got me a little bewildered.
There are many big people in the US. And I think there is some talk about obesity classified as a form of disability.
And there are enough people who find walking very difficult. But there has to be something a little wrong with setting up shopping trolleys that you sit on and ride around a supermarket rather than -as a culture that's just doing something about the core problem.
But perhaps Australia is headed that way too.