I noticed that this was flagged for review since this is more of an AMV than YTPMV/OtoMAD. From my point of view, I think it would be fine to add this even if there isn't a proper audio component to this. The author also considers this as a #ytpmv and I know a couple of very early YTPMVs that have the same issue of basically being AMVs too. I think it's fine to have these kind of edge cases for now, but we can go over this topic more thoroughly if these AMV-likes gain a more substantial presence on this database.