The reason for disability communism is, it promises us a world where profit is out of the way, everyone can be equally respected as fully human, whether your special interest is math or collecting cool facts about celebrities. Unlike capitalism, where only some lucky people with special interest in computer can work from home then feel smug about it.
Fun fact, they kicked out the person who started the movement after she expressed an endorsement for a certain writer who wrote books for children about witchcraft. Lucky for her, she is still living in capitalism where someone can exploit her cognitive ability in exchange for wage.