Please, make lategame team fighting champion guides, IN GREAT DETAIL

Dude......... I mean, i am sick to death, 51 minutes into the game, 5v5 grouping mid and our sion standing in the back line.............. So yes, shaco goes in, he dies, right after he is dead, sion goes in, all dead..... and then they say, how top ryze with fullbuild 1/8 late game and 450 farm is bad and lost the game... The reason we lost the last team fight is that " you had bad laning phaze " oh my god..... Are you guys serious?!?!?!?!?! I mean......... Please, how can i not flame people like that!?!?!?!?!?!?!??!?