Yup. Apparently we need to amend HIPAA, or ADA, whatever it is. If you have a need, it should be documented. And then an appropriately-trained airline (or grocery store, or..) staff person should be able to look at your documents.

They don't have to know what your disability is. You shouldn't have to suffer the indignity of every single passer-by on the street asking you if you really have a need and what it is.

But some kind of basic common-sense framework would curb abuses, which hurt everyone -- the legitimately disabled people the most!