In all seriousness I feel like the common answers I saw of Diogenes (because that was like, his entire shtick) or Socrates (because they killed him for being annoying) are probably better answers but saying its Trotsky on a leftist forum is way funnier.
bill mahler, elong musk, ayn Rrand, martin luther, or galileo
Oh yeah, Bill fucking Mahr. I hate that man with such purity.