Every time a manufacturer delivers, the cloud's hashrate gets larger, which makes it that much harder to make the same impact on the next delivery... Not too hard to understand.....
So far, it's been just amatuers shipping units. When the real manufacturers start pumping out miners, you're going to cry at the difficulty increases.
I surely agree..... except the part about only amateurs... I don't consider AllChip & AST, or Orsoc amateurs