Players are throwing toys off their prams because they don't win every game.

More often than not, if you have higher quality, you will win the game, The higher the differential the higher the likelihood of winning. It never reaches 100% though, otherwise - what's the point of game when you know the outcome in advance?

If I want a game where I win 100% of the games, I would stick to Football Manager and reset whenever I draw/lose...