I have a buddy who did his Human Factors PHd at wright state/wright patt nearly 15 years ago. "Tech people" have a lot of lies they believe, about disabilities, about valid addresses, everything. When he told me that schools for the blind train their student to fact check things like directions and not simply rely on a single source while navigating new terrain it clicked for me that the sighted have no clue and symp…
In college I had a blind guy ask me how to get to some building on campus. I looked up and the was sign of the building he wanted into. It still took me several tries to get him useful directions. I know that I can duck under that railing..., but how to explain that - I still don't know. I did eventually get him there, but it is a lot harder than you think and I only needed to get him about 5 meters.