I don't think my point was irrelevant. I think the author was arguing one can be as good as a specialist in many areas. If the author was merely arguing that o

I don't think my point was irrelevant. I think the author was arguing one can be as good as a specialist in many areas. If the author was merely arguing that one can be good at many things, then he/she was burning down a strawman, because no one who says "Jack of all trades, Master of none" is saying that a Jack is no good. Anyway I deleted my post because I felt it was detracting from the discussion above.