He never even says that his strings are "buzzing" maybe they're just not souinding right... maybe they're getting deadend. But nevertheless, I apollogize if I offended your intelligence on guitar set-ups... Truth be told... the guitar in question is a Squire Strat..... A number of things could have happened that have caused the "sour" sounding strings. If he takes it to a tech, they will be able to identify the problem in a few seconds.