You ? On public transport, are things not as rosy as it seems down in that there London for our Apple correspondent ? What ever happen to the limo's and police escorts ?
It's his New Year's Resolution.
As he does not understand a great deal of what is being talked about on here, due to it being outside of the realms of his life experience, he is determined to conduct some research into the mores of the common citizen.
To this end, he has employed a doppelganger to conduct his everyday duties while he "slums it".
Very clever in theory, but then he gives himself away by rolling out a mat and wiping his feet before boarding the carriage.