First is extremely laziness. The number of questions I see that could be answered with six seconds of Googling is astounding, but generally even those are treated far more civilly than they probably deserve. There are also the "I got C++, how make game?" questions, which take lazy to a whole new level. Again I am still shocked at the treatment such a lazy question ellicits in these parts... I have seen pages of answer to a question someone took 2 seconds to write and often didn't bother with spelling or grammar checking in the least. On a near daily basis, I see two or three near identical threads on the same page! Yet, people still take the time and effort to respond to each of them.
That was my first thought. It is quite hard to be polite, when the exactly same question is asked, and there are 5-8 threads on the SAME FREAKIN PAGE on the For Beginners topic list. They seem not only lazy for some googling, but lazy to open their eyes. More, they are not lazy to put the total rampage-bait-for-me-words "YET ANOTHER" in front sometimes. The poster even knows that he is farking lazy.
And I don't know, maybe I was always a thinker, but seeing the sentence "I have no idea where to start" just gets me down. Maybe we are just too spoiled by the internet and this "information society".
Sorry, maybe it's a sensitive spot for me.