Mald saying how it's normal to talk about your achievements and it's other people's fault to interpret it as bragging... What a loser. It is not normal to constantly talk about your work history, the non-insane behavior is to talk about what you currently do as that's what's relevant to people around you in the moment. He knows the reason he mentions his 1337 h4x0rz job for the DoE and Blizzard is to try to woo people who don't know better, which leads to the next issue. If you are going to talk yourself up, it's best to know what you're talking about. Time and time again when he tries to talk about subjects he feigns familiarity with, it doesn't line up with his stated background. At all. He's not a hacker, he's not a developer, he's not an expert in anything except bullshitting.
People who talk about their past experience constantly are insecure and feel their current work/station is inferior so they lean on their past. That's all that is. Blizzard doesn't even have a good reputation these days so it's even more pathetic. The implication is also that he was involved with development and most people think "Oh he wrote code for World of Warcraft!!!!" and he's more than happy to let people think that. Just an all around piece of shit, this guy.
College students make more advanced games in 48 hour game jams than Heartbound.