I think that for some people, they come into viewing a new AMV with pre-conceived expectations based on their past experience with the song or anime in question. Other people may have fallen into the trap of treating a song's lyrics too literally and if the AMV doesn't follow, then to those people, it fails on some level. Just because a song's lyrics mention a rose doesn't necessarily mean that there better be a goddamned rose in the AMV.

This might be the problem that some people had with Jihaku. It wasn't made to tell a specific story.
Unlike The Race which also uses a multitude of anime but to tell a specific story. People "get" The Race, but some people didn't "get" Jihaku. Those that did, "got" different things. To some, it had an optimistic view, to others, pessimistic. Jihaku was designed to evoke an emotional response, good or bad, positive or negative. What you "get" depends on your feelings of the song used or the anime scenes used. Even the mood you are in while watching it changes what you think of the video.It's a video about life in general, a confession about life, full of passion, rage, deception, determination, desire to fight, desire to give up. A complete theme, without judgment, just a backward step on the life, nothing else.
Now, let's take Euphoria. First off, what the hell is the singer saying <a href="http://www.sing365.com/music/lyric.nsf/ ... 9FEF">?</a> Secondly, this AMV has no relation to the anime that was used in terms of storyline. In fact, Euphoria is the perfect example of the kind of AMVs that Koop tends to make - very conceptual, where the anime's job is to enhance the song with visuals using scenes that reinforce the lyrics, but again, WHAT THE HELL IS THE SONG SAYING? What the AMV does do well is convey the feeling of a dream.
And, I think it does it very well. People get so focused on the effects, its ranking in the top AMVs, and the hype about its status in AMV history, that they over-expect things. To expect a story from an AMV that is about dreaming is pretty weird to me. At least I know my dreams have no storyline to them, at least not any coherent storyline.Euphoria is the first part of a two-part video series I have planned with a central theme of dreaming.

Theme/Concept AMVs seem to be the most misunderstood category since many of the things that they are trying to convey get easily misinterpreted. There are some universal themes like Love that don't properly resonate if the person is not in the right mood or frame of mind.
I've watched videos that concept-wise, had great potential and if edited differently, would have scored higher in my book. I don't think I've ever bashed the concept of any video, just the execution. I won't pretend to know what an editor had in mind for a video when they edited it or how close it came to their initial concept. I only know whether that final product made me feel something or, if the editor stated the concept in the video description, if it actually came close to me seeing it.
[Kalium: Link fixed.]