Robert, we actually have entire video courses that cover every aspect of songwriting. You can check them out here: songwritingplanet.com/songwriting-techniques/
The lyric content is not really the point of the example, this is more about learning to use a lyric technique, but content ideas came from teenage bonding experiences like those in the movie "The Dead Poets Society." Any other "sketchy" interpretations are not coming from the mind of the writer.
