The market only works that way if demand is high enough to justify charging a premium. The whole point of the ADA law is to force businesses to offer amenities that aren’t in demand enough to justify the expenditure. It’s the antithesis of how a free market works.
In my city, they busted up 65 year old inlaid mosaic on street curbs to put in handicap ramps on every sidewalk at every intersection. Except the sidewalks are absolute broken crap and they flood so they get little use of any kind, especially if it has rained that week.
its not a constitutional right to have a clean river nor is it for somebody to be able to get into a hotel pool....
these laws get a foothold and its a lawyers dream...