I think it's event fatigue. I know I'm not the only one fed up and discouraged by the high demands and impossible breeding situations each event brings, added to the strange normal of No Day Without An Event. I was going to quit at the end of May. I decided to stick around but just don't have the same drive. I'm trying to play at my own pace and just let the events roll on by, with or without me.
And perhaps all that is to be said has been said. Repeatedly. And repeatedly ignored by Storm8. So now players mostly check in at the start to comment on the prizes, or later to report completion (or surrender - LOL)