Seriously, what has happened to ninjas today? Every time I see one in a game or such they're wielding a katana and charging into battle. What the hell? Ninjas were assassins. They used stealth, not bum rushing the foe and screaming. Ninjas used daggers, not katanas as a longsword would be too big and awkward to pull out at a moments notics. If a ninja got into combat with a guard, chanes are the ninja would die easily. They had one specific target they went after, they didn't take on an entire fortress.
I'm no expert in Japanese history, but it just makes no sense. Is it just me, or has anime seemed to totally ruined the common interpretation of ninjas?