AC Milan were given the silent treatment by thousands of frustrated supporters during Sunday's thrilling 3-3 home draw with Genoa as their disappointing Serie A season crawls to its conclusion.The entire Curva Sud section of the San Siro, which is where the ultras stand and holds thousands of supporters, missed Thiaw's unfortunate error as it emptied shortly after Olivier Giroud fired Milan 3-2 ahead in the 75th minute.