Good article. I agree with almost every word too , but arguably, the title could have been 'Damp Squib' as opposed to 'Firework.'
He is a legend, and one of very few who have left us with a possibility of coming back to haunt us.
Despite a few very, very, high points, he is Mancini's failure - and he was always doomed to failure for as long as he was played out of position, and indulged as a child - imho, of course.