People don't exactly kill 10 people then summon a dog with armor to fight for them either. It's a video game.
I know that video games aren't real, that is usually the come back for most CoD fans, but no one says CoD is realistic. I am just saying that when people say battlefield is real while things like this happen is hypocritical. I know you didn't say this per-say, but it is the general idea around the game that most fans have.
Nor do they kill someone instantly by stabbing them in the foot, or throwing a combat axe into somebody's arm.