Only in the context of being physically able to assist someone else. To name an extreme, I doubt he's saying that Stephen Hawking is 'worth less' than a given a

Only in the context of being physically able to assist someone else. To name an extreme, I doubt he's saying that Stephen Hawking is 'worth less' than a given able bodied person. I think in this case the charitable reading would be to not caveat it with ceteris paribus