Considerable expense is necessary to accommodate workers with disabilities. Disabled people need special legal procedures. Deaf persons do not appreciate music, theater, movies, etc., because they cannot hear. Certain jobs are more suited to persons with disabilities. Most people with cerebral palsy are less intelligent than the general population.
Blind people have exceptional hearing.
People with Learning Disabilities who can't use proper grammar are not very bright. People who use wheelchairs cannot work in a fast-paced, pressured job. Disabled people tend to do work of higher quality than non-disabled employees. All hearing impaired people can read lips.