I don't have a good solution for this. The reality is a lot of people can't be the quarterback to build new shiny things so promoting those who can is reasonable. But at the same time, it does incentivize this path more than needed and there are more people who CAN build shiny new things than the number of shiny new things that NEED to be built. It's easy to separate those who can do this from those who don't in promo review committees. In promotion reviews it's harder to separate those who are excellent at maintenance vs OK.
