I could understand wrong display at the beginning of the last century when in the West we started to collect these items... but nowdays with the amount of info on the web is easy (and free) doing a proper display... even worse when you go inside museum and see similar "nice displays"!
Even better was a programme about the Roman invasion of Britain on British television some while back. The Presenter announces he is going to talk to an 'expert' on Roman military equipment who is standing there in a field wearing the full lorica segmentata and helmet clutching his scutum and pilum. Sadly the lorica was on back to front. Ian B