Perhaps this is the reason for taking it down: they want to concentrate on a more commonly accepted-as-art part of the careers and not have the other content distract from that for now? If so then perhaps once they've moved far enough forward in the new direction, that it stands on its own to their satisfaction, the old content will start to be republished for nostalgia points.
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[1] I'm not meaning to denigrate it, despite how that sentence may sound. It entertained many including sometimes me, so the content very much has value, but I don't generally consider commentary to be art.
