Hopefully with each thing that you do you're learning something you're growing and you're pushing yourself a little harder in some way or another. So I think you'd be in real trouble if each new thing that you create didn't feel like 'Oh wow. I feel like I'm doing something a little different this time.'
There is no single development in either technology or management technique which by itself promises even one order-of-magnitude improvement within a decade in productivity in reliability in simplicity.
Why do we go around acting as though everything was friendship and reliability when basically everything everywhere is full of sudden hate and ugliness?