In the past, unresolved questions were aptly named, like "UV-catastrophe" etc. as opposed to "dark energy" etc. One clearly indicates scientists being baffled

In the past, unresolved questions were aptly named, like "UV-catastrophe" etc. as opposed to "dark energy" etc. One clearly indicates scientists being baffled (a catastrophic conclusion), versus a linguistically tangible substance "dark energy", unnecessarily specific in quantity (energy vs position vs momentum vs ...). For unexplained phenomena, doesn't it sound alarmingly specific? Wouldn't specific issues getting their own names not have been more desirable? like "anomalous rotation curves", ...