It would be interesting then to analyse where this profit is supposed to come from, i.e. why people would pay for rewarding other peoples content or pushing their own. A sponsor is someone who is used to pay for attention and he does not expect to make money from the event he sponsors., e.g. the US Open if he sponsors it. That's imho pretty much what people who think they "invest" are doing right now.
RE: Steemit's Biggest Investment Problem - The Cost/Benefit Analysis Reward Curve