All of which don't "benefit anyone but the people that invented it and the savvy traders trying to make a buck". He got it right the first time, and you are just falling for the dishonest rationalisations of crypto scammers.
Products don’t benefit the user? Honestly, what is your stance here? It seems like your stance is “crypto bad”. Yes, people who made a product benefited, as did investors. How is that dishonest? Audius has 5m monthly users, please explain why 5 million people use something they get no benefit from.
Looking at the Audius website, I see no reason that service needs blockchain to function, which brings us to the final function of blockchain: Blockchain as a marketing gimmick.