They send market orders down for 20 straight points, and then the other direction for 15 points within the next 5 minutes! Who trades like that?
people who demand liquidity trade like that. go read Mr Harris again
on an illiquid market, thats how price moves. plus, your perception is off simply because BTC trades for so many decimals. you see 20 bids get hit but in reality they might all be 0.00001 difference which is irrelevant