"If a game is lagging, do not quit. Quitting means you surrender. If a game lags out, let it lag out."
"Only acceptable way of quitting is if the quitting is reasonable and the quitting player agrees with his/her opponent on playing the game another time."
Quitting without an agreement = gg (especially after 16 mins of playing, no matter if the game was about even)
p.s. I can now handle these complaint threads too (occasionally)