Old Trafford isn't anymore the stronghold it used to be. When a team struggles to score, fans start questioning their commitment. This seems like just the start. I have a feeling we gonna be seeing Manchester United losing a lot of times this season, both at home and away.
Manchester United is no longer the power they once was. Only their name remained. Teams are no longer afraid of them. They are also declining in terms of player quality. You can't spread fear with Höjlund and Rashford. If you say midfield, mediocre. They give the appearance of an ordinary team.
We shouldn't forget the rising performance of Brighton & Hove Albion. They play really well and get good results. Now they always play for the top 6 in the league. When the situation is like this on both sides, this result seems quite normal.