Monetary value is not quality either. Quality is of course subjective, but there are certainly examples of things which are popular and trashy, or cost lots of

Monetary value is not quality either. Quality is of course subjective, but there are certainly examples of things which are popular and trashy, or cost lots of money and are not high quality, and even some examples of things which are popular and trashy and cost lots of money but are not high quality (Melania Trump's interior design comes to mind).