my mother (80yrs old) recently bought a printer because she was printing out poems and stories she had written over the years. that made sense for her, but i think that is going to be the exception, unless you live in a suburb or outside a city/village where a print shop is far away.
When I know I'm going to cook something big and messy I like printing off the recipe first and treat it as disposable. Same goes for when I'm about to go wrench on the car or motorcycle, having all the torque specs and diagrams and what not printed and handy even with greasy grimy hands is nice.
Then in the end I'll still want some kind of scanner around for those things I get that aren't digital yet. Phone "scanning" apps just aren't as good of quality IMO.
But yeah, outside of these things if I want a high-quality print I just print online. Lots of places around me can take print jobs online and have common stuff all ready in an hour or so.
Before that, the scanner got a lot of use for storing copies of official documents.