Shreeves had just implied to a young Cristiano Ronaldo (who could barely speak english) that he went down too easily. A totally inappropriate question to ask someone so shortly after a match has finished in my opinion, when there are tens of players you could say the same thing about. Ferguson was right to stick up for his player.
It wasn't last season by the way, it was in Ronaldo's first season in England.
That's one wafer-thin argument. There's a cheat and the bully boy and you side with them against the person who suggests (politely) that perhaps the cheat's behavour wasn't totally appropriate. Actually wafer-thin would be generous.