We're you at the game cowgirl? Have a look at the TV interview with issac how many folk were in the stand? Not many, why because they had all got up and left the stadium, it's what happens at every game game ends one team loses one team wins, not many people stay to listen to the interviews especially supporters of losing team or neutrals.
The picture on the link shows a bunch of players trudging round the pitch after the game, watch it on TV, think you will see it was a good 10 mins before they actually left the pitch.
Pretty sure you can find a similar picture with Wigan players at old Trafford in Oct, empty stand behind em! Does not mean it was empty during the game, in fact it was virtually full.
I am used to going to big stadiums, no reason to doubt the crowd figure was 40k plus, besides can't see the point they would make up a numbet