Nothing.
Both of them are low players (check their accounts). I can`t see any intentional feeding or any game ruining, especially lai0n who support your ass with ward all the time.
Tooshade - you just got angry because you died 3 times in the early game and start blaming your team. If you want better gameplay from your team you should try to create or join 1600+ psr games.
Cheers!