This is a terrible way to learn Italian, by modern thinking; because almost nobody is actually going to do it, and it won't actually get you speaking Italian. It's incredibly demanding for little reward. But if you know nobody who speaks Italian, have an Italian grammar book and immense dedication, and no TV or video games to fill the long, lonely, candlelit hours, I suppose you might as well?
Similarly, hand-copying and re-writing Spectator articles multiple times in multiple forms is probably a (labor-intensive) way to improve your prose. But today we have word processors with copy and paste and blogs. Why not just write there and practice rewriting that?