If that cluster is profitable it serves business just fine. If you can prove poor system quality is costing money, explain that to management and they'll authorize spending resources on reactors.
However, tasks that improve engineer productivity, like speeding up the test suite, or adding automated tests, removing unneeded code, a badly needed refactor on a critical piece of code can not only makes new features quicker to develop, but also makes the technical improvements quicker to develop. Features have the opposite effect.