I must admit I like having some time off too, away from all those distractions. But on the other hand, if I don't have my cellphone, emails, meetings, ... I often feel out of control because I don't know the status of issues.
I like to think there is a time for everything, and as said in the article, I think people with ADD sometimes just don't manage that time correctly. Of course I'm not saying ADD doesn't exist, but sometimes I do think it seems to be(come) a real buzzword for some people.
And it seems logical to me people tend to find it hard to be focused, we are living in a fast world, maybe sometimes too fast and demanding...