... Manchester United spent substantial sums on strengthening the squad only in this transfer window, and therefore it is still logical to give Ole Gunnar some more time, rather than firing him after only a few months due to an unpleasant local defeat on his own field.
It is also for the same reason that they do not expect poor performances like 5-0 defeat against their old rival. They spent those money since they believed in Ole's capabilities and want to improve from the results of past seasons.
I understand perfectly well that Manchester United fans have already missed titles and are tired of everything that has been happening for several years, but still you need to show some patience.
"Patience" for the die hard fans has a shorter time limit in today's Football. Two or three seasons without much progress or silverware and they will turn against the manager.