There are lots which allow you to install proprietary drivers and or codecs at install time. Or give you the choice to enable non-free repos. Not everyone cares

There are lots which allow you to install proprietary drivers and or codecs at install time. Or give you the choice to enable non-free repos. Not everyone cares about free vs libre. Some people want ‘obvious’ things to just work out of the box as they would on other OSes. But of the ones above you mention that I’ve used in anger you’re absolutely right and that’s the very idea of them. To ‘just work’.