Remake should be extended, or 'loss forgiven' should be implemented in the case of a prolonged DC
I just lost a game because our ADC fed 4 kills and ragequit in 10mins. So there we were, 4v5 vs an insanely fed Draven with no ADC for 10mins. until we could surrender. We managed to keep it rather even until the 20min mark so I'm convinced that we would have had a close game if the player stuck around.
10 minutes without an ADC, especially in early-mid game, is straight-up unwinnable unless the enemy team are total noobs, so I believe that some form of 'forgiveness' should be allowed to the players who suffer from unfortunate situations such as these.
I'd also like to point out that this should especially be implemented in Solo/Duo Q, that way people won't just quit the game so that their friends don't get a loss.