Look, everyone knows that security measures at the airport are just beautiful security theater. It is people like you who are trying to prove a point no one actually needs proved that makes getting through the airport such a goddamn hassle.
Your posting is not linked to your username in any way once it goes up on the site, though the admins may know who posted the question.
The text of the question, any text, is not in the email we receive. There is not even a link to a specific question, just a link to a page where all the questions are. If you are uncomfortable with the fact that there is evidence in my email that you have asked an anonymous question, please do not use the AnonyMe feature.
not only are questions anonymous to the world, they're also anonymous to the db which means there's a bit more security on that front even if the db was somehow compromised. (If the db AND Matt's email were compromised at the same time by the same person who wanted to put anonymous submissions to names, that'd be a problem for anonymity but it'd be a problem for a giant catastrophic pile of other things too.)