> Looking after disabled people requires an enormous productive surplus from the rest of us and a recognition that the people creating the enormous surplus are in practice worth quite a bit more than the people who are on the receiving end of charity.

We already don't do this with regards to normal people. Being a farmer isn't a particularly high-paying nor high-status job. I don't mind changing this around if we get a more humane world in return, but these issues seems orthogonal to each other.