If people keep jumping in when the difficulty is easy, and jumping out when the difficulty is high, it's just going to keep jumping back and forth. I don't blame people for acting in accordance with economic incentives - if this continues though - it means cheap Catcoins are being made available to coin hoppers who will then systematically dump the cheap coins on the exchanges and suppress the coin prices. There is no rush, now that this hard fork has been done, but I respectfully suggest considering the loyalty credit logic to fix this incentive at some point.