i assume that any serious listener , o.e., hobbyist or audiophile is interested in enjoying a musical performance, whether it is live or recorded.
manufacturer's advertising is just a form of economic activity. some are more successful than others, it depends upon the credibility of the message.
in any case it is designed to create sales. some are influenced by it , while others are not.
hopefully our ears are the final arbiter of what we own and buy, regardless of attempts of persuasion, which , i believe is what is meant by "mumbo jumbo".
manufacturer's advertising is just a form of economic activity. some are more successful than others, it depends upon the credibility of the message.
in any case it is designed to create sales. some are influenced by it , while others are not.
hopefully our ears are the final arbiter of what we own and buy, regardless of attempts of persuasion, which , i believe is what is meant by "mumbo jumbo".