Okay, so every few minutes I complete other activities (including Gauntlet) and it keeps showing up. And it's a lot more often than it used to be. Perhaps the rates were tweaked a bit, but it's quite annoying to have to do it every time it shows up and waste food in order to make it go away. If they change the rates of things, I would prefer that they tell us.
Three minutes later and it's there again: