You're not talking nonsense (IMO), but I also don't really know what the answer is. Two of my vaults have large numbers of assets: one vault is about music and the notes in it all have multiple images of musical notation; the other is for academic writing and contains lots of notes about articles that I have in PDF format. The task of organising the assets ultimately falls outside Dendron (at the moment), and I manually organise them using a naming convention for them that tracks the full hierarchical name of the note (which instantly breaks if I decide to refactor my hierarchies). It seems to me like it would be a mammoth task for the Dendron devs to undertake addressing this while they are still working on core features of text-centric note taking, but if it were to be addressed at some point I think it would have to be in terms of how "attachments" are handled in general.