I think your problem is that some people want to view it as a casual fun video game, and some people want to view it as a LEM simulator. The first group find it

I think your problem is that some people want to view it as a casual fun video game, and some people want to view it as a LEM simulator. The first group find it too hard and the second group find it too easy. In case it helps: I would expect the rate display to be in units/second or units/minute, in order to estimate an amount of time in a useful way.