Got something to prove then according to The Guardian today:
The subsequent years have been good, if not as luminous. It is worth noting that Van Gaal, widely proclaimed serial winner, has won two league titles and the German DFB-Pokal Cup in the last 15 rather staccato years, taking in his disorientating, aborted succession to Alex Ferguson in 2002, a difficult second spell at Barcelona and periods with the Dutch national team.