It was the greatest state to ever exist. "Live and Let Live" was, for generations, a Habsburg principle. (See:
https://en.wikipedia.org/wiki/Otto_von_Habsburg -- noting "the centuries-old Habsburg principle of "live and let live" among ethnic groups, peoples, minorities, religions, cultures and languages.")
The ethnic states which gradually replaced the HRE in Central Europe were, and remain, total disasters in comparison. Modern Germany is, yet again, a powder keg.
Today we pour one out for the HRE.