Some organizations are resistant to change and that&#x27;s OK, but when systems are maintained to the point that they become a historical curiosity-- that&#x27;s going a bit too far.<p>Aside from comically high maintenance costs (which only the government and perhaps banks can afford to pay), such organizations also need to _hire_, _train_ and _retain_ staff that can actually do their jobs on these things. It simply isn&#x27;t feasible to keep let alone recruit strong talent in an environment where legacy goes beyond a certain level. Yeah, good employees _ARE_ going to be concerned about their C.V.&#x27;s and that is understandable.<p>An excessive &quot;upgrade cycle&quot; may, in some cases be risky, but a vastly more common problem is orgs that don&#x27;t change&#x2F;adapt&#x2F;upgrade fast enough. That has risks and costs as well.