You have a point. His protestations notwithstanding, Mt. Gox does not appear to bear any responsibility for this at all. What happened was, he let his browser

You have a point. His protestations notwithstanding, Mt. Gox does not appear to bear any responsibility for this at all. What happened was, he let his browser get pwned while he had his Mt. Gox account open in another tab. The coins were taken from his Mt. Gox account, but the security breach was on his end.