I am also not making the case for Tezos, but rather promote the experience of a working digital art market and ecosystem, which is technology agnostic and will embrace happily any technology that serves the purpose.
Discussion
My skepticism stems from people (not you, necessarily) inserting a blockchain and token wherever possible, when the same problem can be solved in a far more cost and compute efficient manner. That plus my original view that a certificate of ownership for a digital image doesn’t make sense (because of 100% fidelity infinite replication)