That's a bit exaggerated.
But eh.
Mostly depends on moderators.
Older guys will let people talk pretty much about anything (as long as it doesn't breaks the site's rules -hate trashing, harassing, etc-), but newer guys are a bit more... sensible, I think. Which is quite common on the internetz, specially with newer generations.
In any case, if it's a critic, it should be okay unless it gets in the realms of trash-hate-harass-troll realms, much like certain poster a page ago (good god, now that was a creep alert).
Now, that being said, since these threads are meant for talking specifically about the game (updates, tips, tricks, etc), our usual rabble (even if interesting!), is taken as derailing just like this post.