In some discussions (political ones especially), Poe’s Law applies, oftentimes real people hold real opinions that are as blunt as trolls’ opinions.
In the discussed case I have little doubts that the said troll indeed held most of the opinions he has expressed here. To clarify, by “troll” I mean someone who argues for fun of arguing and without caring a bit about the standards of a reasonable discussion; a troll needn’t to pretend holding opinions which he in fact doesn’t share. (My use of “not being sincere” in the OP might be misleading in this respect.)
In the discussed case I have little doubts that the said troll indeed held most of the opinions he has expressed here. To clarify, by “troll” I mean someone who argues for fun of arguing and without caring a bit about the standards of a reasonable discussion; a troll needn’t to pretend holding opinions which he in fact doesn’t share. (My use of “not being sincere” in the OP might be misleading in this respect.)