If I have to wait for an employee to unlock an item, I'm just buying it somewhere else, whether it's online or another brick and mortar that doesn't make me beg to spend money there. Same with stores that have passcode locks on their bathroom doors. I'm not asking a retail worker for permission to pee.
In my travels across Europe most countries give a massive middle finger to the disabled. I hear the argument in preserving old building and architecture but you're essentially walling off an entire sedition of ppl from living normally. As an American living in Germany I'd have a tough time choosing between German cheap Healthcare vs American handicap friendly infrastructure if I was disabled
In rural areas there are organizations that pick up the disabled and elderly that's covered by the medicare (or Medicad I can never remember the difference). There are limits but it's something