Whenever I ride, I use at least the two larger rings. Don't use the small ring when commuting, but need it for hills.
Several bikes ago, I did ride a C-Dale hybrid for several years with a 1x7, then 1x8 setup.
For some folks and some kinds of riding, a single ring setup is fine.
Other, including me, appreciate and use a wide range of gearing, however that is achieved.