Author here:
Just to clarify: We don't wear diaper everyday... But it happened and was a good option during snow for the lady..
The luxury was an expression (I'm not English native speaker).
I wouldn't. I'd go outside in the snow. My wife claims the same. Don't take this as negative commentary directed at the author of the article. If this works for them, great! I'm just saying that it isn't a solution that would work for me and my wife.