I didn't actually read the article, so maybe you're making a point specific to the article, but in response to >For example, if StitchFix offers a belt with a

I didn't actually read the article, so maybe you're making a point specific to the article, but in response to >For example, if StitchFix offers a belt with a number of different holes... surely the solution is just to model belts shirts and pants separately. Just because there's a correlation between those things doesn't mean you have to use it, and it fucks with your convergence.