I dont even believe it was oversold. There were lots of independent reviews and analysis, even by Mozilla themselves that WebP wasn't even good. And yet people still uses it because they somehow hate JPEG.
It there was ever a "cult", it is "Anti JPEG cult" and "WebP Cult". Not JPEG XL.
It there was ever a "cult", it is "Anti JPEG cult" and "WebP Cult". Not JPEG XL.