If women wanted bigger pockets, you could make a lot of money selling them pants with bigger pockets. But everyone who tries that fails. Women would theoretically like bigger pockets, but they care more about the fitting and look of the pants. And pants with bigger pockets don't look as good.
2. It's science. There may not be an explicit statement of hypothesis, but one exits, and it certainly describes the methods and data used, and has a conclusion. Anyone sufficiently motivated could reproduce the results.