They are there to build features. Hopefully those features are something that solves business problems and ultimately drives revenue. Reliability is a requireme

They are there to build features. Hopefully those features are something that solves business problems and ultimately drives revenue. Reliability is a requirement for a useful business system but is not a useful thing on its own. Your system needs to solve actual problems with software features to be useful. That is what the rest of the developers are rightly focused on.