This reminds me of the difference between J and P types in Miners Briggs. And if true, their model implies that the urge to procrastinate comes parcelled with other strengths of the P personality: wondering, curiosity, inventiveness, spontaneity, and more.

The people who ‘just get things done' miss out on the opportunities that being sidetracked creates. The insights, the ideas, the projects, the solutions…

I agree with embracing a short attention span, and reframing it as the ability to focus on lots of things in succession. As long as I have a list of deadlines to make sure I don’t go really off track, it seems to go fine.