You bring up an interesting point here. My generalizations and lack of accounting skill shows how easy it is to over simplify a situation and distort it.
I guess, its the amount of money generated from this bookkeeping procedure, that irritates me. It implies that the institution is healthier that it actually is.
I see your difference between profit and revenue, but I think that when you mention such large numbers, it just simply eludes the reader as it did me. I apologize for steering anyone astray