So why do everyone makes such an big deal about the metagame?
Case in point: I just had a loss with Cho'Gath, an teamate called me an retard for going bot with Nunu while Yi and Jinx went top. Well there's 2 each on top and bot lanes and one in mid. All of your bases are covered, so what's with the hate mate? The in-game tutorial never said that Cho always had to farm top. If want to blame someone, go blame whoever wrote the tutorial levels: Its missing some info about viable item builds and the differences between the lanes.