I disagree. The health burden from smoking is approximately the same as death toll as the sum of all in the Holocaust, but smoking does it every nine months. And 1.3 million/year of those are non-smokers who are dying because they are exposed to second-hand smoke: https://ourworldindata.org/smoking

Even when the self-righteous are at their most dangerous, they have to be self-righteous and in power, e.g.:

  Caedite eos. Novit enim Dominus qui sunt eius.

- https://en.wikipedia.org/wiki/Caedite_eos._Novit_enim_Dominu....

or:

  រក្សាន្នកគ្មានប្រយោជន៍ខាត។ បំផ្លាញអ្នកគ្មានការខាតបង់

- https://km.wikipedia.org/wiki/ប្រជាជនថ្មី