I think a case could be made for the opposite of your
"Repeat, bearing arms helps maintain a democracy in spite of the mishaps that occur."
in brief .. more guns .. more gun violence ..more hate directed at government ..more citizens
including government employees murdered .. more likely a government may become tyrannical ..
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”