^ Is there anything wrong with those karma-whoring threads? I mean - really? It's not like they are difficult to avoid, if not the title, then the first posts will show you what they're about, right? Same with the whining: read the first post, then quit the thread if you don't wanna participate (hey, what a new concept!
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As to the posts main point (as far as i understand it): yep, they do have impact. Anything someone posts/comments has an impact. That's why one posts, anyway - to get a reaction.
That won't change one bit if the Karma system is gone. People will still comment, but they will do it by posting in the thread. We will have to wade through endless posts of multiple quotes, stuff quoted multiple times by different users just to add a "!" or "Cool" or "fuck you deep in the neck". Personally, I get really bored really fast if I have to see a picture or read a sentence for the umpteenth time, just because some poster wants to comment on it yet again.
Also, there are quite a lot of people who don't come to TK on a daily basis, myself included, so when they read a post they want to comment on, the thread might already have evolved to a completely different topic. How annoying do you think it will get if I started quoting those week-old posts just to say I appreciate them or LOL'd? (And I will do that, because a great post deserves a reaction imho).
And why do Karma comments make people lazy? They still have to type their comments, right? In fact, often enough I see people karma AND post an answer, which is kind of twice the work ?!?
IIRC, there is the neutral karma option for posters who haven't posted 20 or 50 or whatever posts, right? Can't you just raise that to a max level by default, so this pos/neg karma stuff stops? As far as I understood it, the gray karma doesn't add to the karma points. So a Karma War would be completely futile, but posters would still be able to comment, is that correct?