In the dribbble screenshot highlighted in the article, everything looks interactive. The UI looks like it's composed entirely of buttons, sliders, and spin wheels.
If a design goal is to make interactive elements seem interactive, and make non-interactive elements seem non-interactive, this has failed. It's bizarro Material Design.
If a design goal is to make interactive elements seem interactive, and make non-interactive elements seem non-interactive, this has failed. It's bizarro Material Design.