The UX design is not something I would judge someone on, but UX as a function of UI performance definitely is. If the UI is hitching, non-responsive, or gettin

The UX design is not something I would judge someone on, but UX as a function of UI performance definitely is. If the UI is hitching, non-responsive, or getting into strange and incomprehensible states without giving me any indication how or why, I place the fault of that on the developer who implemented it.