you are completely ignoring duration, blast radius, after damage, and distance were the other two classes shine. It might be a two button insta kill but that only helps close quarters.

Golden guns instant kill from a distance and not overly hard to use while strikers need to get close to aim the foh and the defenders shield can be broken by a special so if your not smart enough to stay out of the purple ball that's your problem. The defender also lacks in offensive abilities and buffs unlike any other class