It's irrelevant what the so called "spies" specifically represent. They could be anything from drug induced anxiety, to real government spies. The spies represent something different to every person - they are the fears we all have, that we feel are inescapable. The song ends by switching the repeating lyric "you cant touch them", to "they can't touch you". Instead of hiding from your spies, live with them, they can't touch you, they're just spies...
It's irrelevant what the so called "spies" specifically represent. They could be anything from drug induced anxiety, to real government spies. The spies represent something different to every person - they are the fears we all have, that we feel are inescapable. The song ends by switching the repeating lyric "you cant touch them", to "they can't touch you". Instead of hiding from your spies, live with them, they can't touch you, they're just spies...