Would you say there are chefs and non-chefs? Or just people who have different levels of various skills?
Musicians and non-musicians?
Ballerinas and non-ballerinas?
Of course there are. Yes where you draw the line is somewhat arbitrary and will vary from person to person but there is still a distinction to be made. You can be pedantic and say "Well everyone is a ballerina, they just might be a really unskilled one." But someone who is very unskilled really isn't a ballerina.
I'll happily admit I am not an artistic person; that is not a specific job either.
While 'technical' more generally refers to the techniques and tooling of any trade, craft, or activity (arts included can have technical terminology, etc.) - we understand it here, or so I thought, to mean those concerned with our trade/craft/activity, y'know, computers or the internet, or whatever else non-technical family members describe us as 'doing'.
Those people are probably a good group to start looking for your elusive non-technical person. I've met people who have zero inclination to engage in DIY, car maintenance or how to setup email on their iPad. There are very definitely non-technical people in the world, and thank goodness there are because they contribute to society in ways I could never dream of doing.
Artistic people? I majored in piano performance (full-tuition scholarship for it) and have been employed as a developer for almost ten years. I don't think my situation is all that unusual.
Musicians and non-musicians?
Ballerinas and non-ballerinas?
Of course there are. Yes where you draw the line is somewhat arbitrary and will vary from person to person but there is still a distinction to be made. You can be pedantic and say "Well everyone is a ballerina, they just might be a really unskilled one." But someone who is very unskilled really isn't a ballerina.