My god, reading this makes me wish there was an alternative to Calibre. I already just tolerate it because it's the only ebook manager I know and there are a lot of things about the UI and how it works that bother me.
"Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith."
"Don't feed egregious comments by replying; flag them instead."