It is and isn't relevant. As detailed in Rich Wilson's book, and revealed by James, Kevin would walk around with the magazine picture of the Space Dye Vest girl all the time, and the song expresses that if he actually met her in real life her innocence and his adoration for her would be lost (2nd edition, page 136). So in a way, this discussion is thematically relevant to the song. However, it has no relevance to our own personal connection to the song.