My only counter to this is that after, what, two _decades_, Apple _still_ has not added the ability to adjust number boxes with the up/down arrows on the keyboard (like text size for example). A designer would have included this on day 1, it’s such a common UI pattern in design tools.
If anyone on the iWork team is reading this, _please_ get to that Radar.
If anyone on the iWork team is reading this, _please_ get to that Radar.