avclub-f8f7e58cbb4493a4150ff59b996796fc--disqus
left square bracket e right sq
avclub-f8f7e58cbb4493a4150ff59b996796fc--disqus

As others have surmised, it is a way for the AV Club Overlords to mark who is going to be taken and have their mind wiped. Haven't you noticed that the people who get the [e] never come back the same? I won't go into the specifics of why they do this, but let's just say it's because they are part of a galaxy-wide plot