Are There More Opportunities for Entrepreneurship for People with Disabilities?

In the video, “Down syndrome entrepreneur sews successful six figure sock empire” (available at https://youtu.be/Vb1ELIa8dII) we get to see the “success” story of an individual with disabilities making it within the employment industry. Not only has John successfully started a business, but he has created an entire company that offers employment opportunities for other individuals with disabilities. Though this is a happy story, it begs the question of how often the employment industry is open to working with individuals with disabilities? In addition, how often do those individuals get to work within the entrepreneur status?