Colin Rosenstiel was talking about journeys from a place outside London
to a place in London and Oyster Card is not intended for that, which
was my point.

Indeed. So why should we be ripped off with an extortionately higher fare?

Our taxes help subsidise TfL too, which is presumably why Travelcards
can be purchased from places all over Network South East.

You can't have it both ways. You either live in the capital with all the advantages
and disadvantages of life here or you don't.