This song may express a kind of helpless and uncontrollable love. The lyrics mention that "fate has no instructions", which shows that love is unpredictable and has no rules to follow. Therefore, people may feel confused and painful in complicated love disputes.
In a word, the song "Disaster Caused by Fate" expresses the joy and pain experienced in love and people's helplessness in this uncontrollable and unpredictable love.