Because it’s a civil crime, which means that the victims of the violation are the ones tasked with enforcing it. And unless a case is large or complex, organisations that promote civil rights can’t take it on, because they need to use their resources as efficiently as possible. Fighting for one worker who needs an extra break to maintain good blood sugar levels isn’t worth it on the grand scale, doesn’t make enough of a difference for the community as a whole, so that employee is left out in the cold by framing accessibility as a personal responsibility, right down to the legal handling of accommodations requests and discrimination.