Depending on the fight, you may not be in combat anymore after the relog, even in a boss fight, you might not go into combat immediately (at least the event may not fire immediately)
Over all, it would be better to just use permanent settings via a SavedVar, but that would require actual options, and I wanted to keep this addon nice and small.
Also, I intended the manual activation of helm display outside of combat to be a toggle for the addon as well, if you had the helm displayed before anyway, it won't change anything.
Unless you disconnect quite often during combat, it shouldn't be that much of a problem anyway :P