This may be the intent. Money doesn't really matter and lots of publicity is gained. It's entertainment and for some a growing credit balance is the objective of their entertainment.
FD is not in the business of building an accurate BGS or flight model in ED.
No video game is meant for anything other than entertainment. And a growing credit balance will happen whether you earn 100 or 1 mil an hour. Those are non-arguments.
As for what FD is in the business of: some of us thought they were in the business of making the game they sold us in the early days. And at no point did they describe gold rushes as 'a semi-permanent device by which every player in the game, regardless of whether they put in the effort to discover a juicy spot or merely opened up EDDB, would earn enough in the span of a few hours to buy every ship in the game, in this game where an Anaconda is supposed to be the achievement of a lifetime for an indepenent pilot"