We do seem to agree that this is purely about “the marketing effect.” And for some, that’s a dismissive admission. They see that marketing is not core to defining or implementing technology. Some folks the CSSWG have argued this would take up a lot of time to figure out, and add little value to CSS itself.

On the other hand, if web developers are hesitant to adopt new technology, defining and implementing it is wasted time. How Authors perceive change, and judge when is the best moment to invest time to learn new technology — this has a huge impact on adoption.