I think one difference is that there isn't a great alternative option in the case of commercial buildings -- if you have a job in a given building that doesn't

I think one difference is that there isn't a great alternative option in the case of commercial buildings -- if you have a job in a given building that doesn't accommodate your disability, you can't just go find a different building. But insofar as food is concerned, you could pay more for more carefully-manufactured food, or just cook for yourself