Do you suppose that medieval master craftsmen had to pick and choose between being very good at using specialized tools to make things and being very good at kn

Do you suppose that medieval master craftsmen had to pick and choose between being very good at using specialized tools to make things and being very good at knowing about the 'human factors' that go into making an object appropriate and desirable to people? How is this any different? On one hand, you have a set of tools along with a craft of making things with those tools. On the other, you have a set of skills that help you determine the necessary characteristics of the crafted artifact so that it is pleasing to its end user.