Your procedure already requires booting out of live cd, and then uses "unix way" that might be easy to screw up for less advanced people, so using G4U simplifie

Your procedure already requires booting out of live cd, and then uses "unix way" that might be easy to screw up for less advanced people, so using G4U simplifies it substantially, does the same good job and by no means is a 'overkill' ;)