This is super common in affluent school districts. Bulldozer parents with lots of time and resources eventually get their kid some diagnosis that confers benefits in their schooling. Be it additional time on assignments, one on one tutoring, or whatever. They carry these diagnoses, habits, and expectations to college.

To be clear I am not making light of or dismissing legitimate issues. Simply pointing out that there are some that take advantage of the systems that exist.

You actually are starting to see this in the corporate world. People with a laundry list of diagnoses and other statuses that make them very tricky to let go for performance reasons.