The easiest way to make things useless is not to do anything about them. Stop maintaining, and they indeed will become useless. For example, the perfect building, machinery, business process, or software without maintenance will become useless with time. It will undoubtedly happen; it is only a matter of time.
The question is – are you investing enough resources to maintain enterprise resources (software, processes, technology)? The given asset will undoubtedly be useless if you do not support the optimal resources for its maintenance.
So, what is your budget for keeping the enterprise software, processes, and technology up to date?