1: Iso loaders (the only one that overclocks umds does not even work with mc3)
2: Nintendo's lack of effort in the console wars
3: The constant and repetitive downgrade threads
4: People that compare two different things (i've seen people compare ridge racer(psp) and ridge racer ds aswell as windwaker v.s gta)
5: harry potter books.
There are more, but i can't think right now.