Looks like they just put even more units online, look at the jump from 1650 TH/S to 2200+ TH/S yesterday:

https://siamining.com/addresses/25865daf640696361b432bd517b812270d8459af48f13876108354ee7e028e0e15c13ab5030c

Daily profitability has gone from $144 to $27, glad I didn't pre-order because at this rate they won't ship them until they're making less than $5 a day.