Embark on a comprehensive analysis of Alt J`s "Breezeblocks" music videos, comprising the original version unfolding in reverse and the alternate rendition displaying the narrative from start to finish. Your critique should encompass an examination of the narrative elements such as characters, action, conflict, and scene, dissecting their coherence and fidelity within the storyline. Compare and contrast the two versions of the narrative, exploring the rationale behind Alt J`s decision to present the original music video in reverse. Unravel the underlying argument or message conveyed through this unconventional storytelling approach, supported by visual examples and pertinent lyric quotes. Craft your critique in essay format, spanning 2-4 pages to delve deeply into the intricacies of the narrative structure and thematic implications portrayed in both renditions of the music video.