I like the idea of the clapped out dead cripple being Satoshi.
AFAIK, that Kleinman guy was originally a policeman in Florida who had to leave the job on disability, and then tried to make a living as a computer security consultant. For all I know, his knowledge of computing was nowhere near what would be needed to invent and implement bitcoin.
He seems to be a convenient excuse that Craig found for obvious questions, such as: why doesn't Craig move Satoshi's coins.