Historically, low-quality art and design was a good (though certainly not conclusive) indicator of a low quality product.
These days, every fly by night business can have a slick logo, every shovelware game can gleam in stills thanks to the underlying engine and every inane YouTuber has a pre-roll that could pass for a major studio.
All at once barriers to entrance are lower, reach is wider and and filtering becomes much harder. Social networks and learning/recommendation features feel like logical if not simply necessary conclusions in response.