The spawn seems nurfed only 2 spawns out of 30, maybe bad luck. May be time to switch to act3.
The gold per hour has went down greatly recently week or so, this has officially been nurfed, the spawns are lower, the gold is lower, gems rarely drop ever anymore. Its more gph in act3 nightmare, maybe hell, have not tried nor can afford to try as im focusing on hardcore right now. My gold per hour is a steady 300-375k an hour in nightmare and im happy with that knowing I will not die or join 30 games without a single spawn and my gold per hour actually went in the negative running sarth for 2 hours so its not worth it anymore, pack it up, this area is finished, its been nurfed.