This is only true if developing new features isn't part of how the company succeeds. That's probably true for some tools that are used internally. If you can't

This is only true if developing new features isn't part of how the company succeeds. That's probably true for some tools that are used internally. If you can't modernize your payroll, that might cost you some money, but it's not make or break. For a company that makes software as a product, or to directly support or create their main product, not being able to add new features is a really bad place to be.