The old excuse, that people with disabilities are not productive, is no longer available. These benefits are substantial and should not be underrated. They may assist a person with a disability to reach a threshold of confidence and participation. They may assist them to regain momentum in their lives. But no one would want to see a person stuck in front of a computer screen for long periods everyday.
Life offers much more, even for people with severe disabilities.
After all, the greatest multimedia experience of all is real life.