Thomas Shey
Legend
You are confused, that bolded bit is all that matters. The point is not if gold is needed by players for a specific thing. The point is that in every edition of d&d other than 5e the gm was able to influence player behavior by offering more or less gold for one thing over another because gold was needed for something. You are attempting to make a different point about why the players need the gold that is simply not relevant to the (in)ability to leverage the supply to influence player behavior
I believe I still get to make my point--which is gold, wasn't gold. It was experience. The GM can always play games with awarding advancement, in this game or any other.