Wow, you guys just took everything they said literally. Think abut it. "What are the crowds running from?" Whoever the song is referencing to, must not conform to the usual lifestyle, as the crowds, or the normal people shun them. "Walk the plank" is the implying they were shunned, or not accepted. The "Mothership" is implying they are different, like aliens. Nothing about Enter Shikari is similar among an other band. Their political views and the way they write their songs are among the most advanced.
I've ever heard in lyrics. I can really relate to this song, seein as I don't really fit anywhere in a social category.