He's not actually insulting him. The first sentence is ironic, because vgnet isn't actually confused, he just has reasonable expectations. It actually serves

He's not actually insulting him. The first sentence is ironic, because vgnet isn't actually confused, he just has reasonable expectations. It actually serves to further insult the TSA, and is a fairly common phrasing in these sort of comments (at least in physical conversation, perhaps it's less advisable through the medium of the web).