Think doog has to maximize the bets, 10-20 BTC, or sg else. If he won't do that, the site will be destroyed in a week by Nakowa....
We should coin the term "investors fallacy."
The mathematical correct thing to do to push profit in your favor is to pump the house edge. Variance will flicker around a quicker growing profit line. Minimum bet can be raised to full Kelly, or kept at fractional Kelly.