Earlier quoted context omitted.
> Material Design v1 I think it was the worst one. At least from an interoperability perspective: sure, a giant floating "+" in a circle in notes app on a mobile device is alright CTA to add a new note, but on anything bigger than that (even an iPad screen) it's bad. Apps and websites using it felt like "Work in Progress, we will style it later" except there was no later it was already styled and was just ugly.
> sure, a giant floating "+" in a circle in notes app on a mobile device is alright CTA to add a new note No, it’s not, because it floats over the actual content, which means that the user can neither see nor interact with the content under it. Of course, no one carefully designs the rest of the UI to make sure that content doesn’t get stuck under the floating button.
1. How narrow is your screen? The FAB is typically used over scrollable full-width list items.
2. Using a design system does not release the app author from their UX duties, like making sure the UI works as best as possible.