4 and 5 are anecdotally true for me, as a trained practitioner of two artforms (music and theatre); I often find that I can appreciate something greatly for its technical expertise and novelty of style or content at the same time as acknowledging that some things that achieve greatly in those areas actually fail at being accessibly entertaining.

I also definitely think 2 and 3 come into play a lot, especially when it comes to considering the monetary difference people are willing to pay artists (in terms of the price of paintings/sculptures, ticket prices, grant money etc) depending on whether they are famous or considered excellent by influential critics. We certainly don't consider the artistic quality of a newly discovered piece by a famous artist entirely on its own merits compared to a new or newly discovered piece by someone who isn't a big name.