"Fatal Consequences: Modern Warfare 3's Unforgiving Punishment for Deviating from the Script"

In Call of Duty: Modern Warfare 3, players who deviate from the mission parameters in the 'Deep Cover' mission will be instantly killed by the game, without any explanation. This decision is puzzling considering a previous mission allows players to single-handedly take out an entire base. The lack of clarity and self-explanation in the game's punishment has left players disappointed with the overall campaign experience.