That depends how "obvious" the troll is. In this case, having no domain knowledge on this subject, I would prefer to see arguments against the troll as to why there are no memory leaks, then for the troll to be left unopposed but merely downvoted to oblivion (which would leave me questioning if people downvoted him for opinion).
Comments
Trolls don't care about facts but get off on people replying to their posts which is why HN has user voting of comments...
...and it worked
That depends how "obvious" the troll is. In this case, having no domain knowledge on this subject, I would prefer to see arguments against the troll as to why there are no memory leaks, then for the troll to be left unopposed but merely downvoted to oblivion (which would leave me questioning if people downvoted him for opinion).