I don't know about that,ease of access means more people know how to maintain it. Specialized software means you need more hard to replace people making it have

I don't know about that,ease of access means more people know how to maintain it. Specialized software means you need more hard to replace people making it have a higher cost of ownership. You're talking about maintainance from a developer perspective not a managerial perspective. Being cumbersome to maintain is not the same has requiring specialized knowledge ,specialized interoperability,licensing issues,training costs,etc...