The question then becomes at what "time to task completion" and "size of task repertoire" does a job become economically viable for an employer. I tend to think

The question then becomes at what "time to task completion" and "size of task repertoire" does a job become economically viable for an employer. I tend to think that the line between unskilled and skilled, barring educational or professional requirements, parallels the line between a dialect and a language: "skilled" work is "unskilled" work with a union.