As a semi-hacker myself, I doubt you can hack a government. You could DDoS using more than several people. Die Hard is fake. It is nearly impossible for Al-Qaeda's members to even obtain information and IPs of a gas network and even more impossible to nleow up a gas station by hacking in to a network. And the gaming dude must have a very special webcam for it to get hacked and phisically moved remotely.
As for the language, it's the language of the script kiddies. Anyways, the commander of the evil hackers looks like my science teacher .