&gt; But installing something that the manufacturer didn&#x27;t supply is a deliberate choice. Any quirks get blamed directly on the changed software, even if there are actually fewer of them. The change becomes the issue.<p>This rings true for me very much this week.  Even more fun when there are multiple changes, but rather than examine the situation and determine objectively which change caused a problem, whichever change is the biggest magnet for FUD gets blamed by default.