"I am an insect" does not refer to Kafka - anyone who's read 'The Metamorphosis' will recall that the main character was displeased to be an insect.
The lyrics are a summary of many of the points of 'Notes From the Underground', in which the main character debates the concept of free will, regrets his lack of direction in life, and glorifies himself as a product of society, in turn condemning that society.
"I am an insect" does not refer to Kafka - anyone who's read 'The Metamorphosis' will recall that the main character was displeased to be an insect.
The lyrics are a summary of many of the points of 'Notes From the Underground', in which the main character debates the concept of free will, regrets his lack of direction in life, and glorifies himself as a product of society, in turn condemning that society.