For some reason Man United players are performing way better against stronger teams, but when they play against a weaker team, their performance drops.
I think the major challenge that most Manchester United supporters have with the club currently is that their performance is very inconsistent and games that you expect them to win the end up not winning the game either losing it or picking up just a point. It is going to be very terrible for Manchester United if they continue like that this season considering that other teams have improved significantly including Chelsea with whom they were being compared with last season. Amorim will come under more pressure if he cannot deliver in their next game against newly promoted side Burnley.
Being consistent in good performance is not the option for Manchester United but it's the need of the team if they really want to have a specific position. Because from what they are suffered and still suffering is needed to be consistent and more dedicated. Because Manchester United needs more effort than other teams. As they poorly failed to defend their performance in the last season under the supervision of their Coach. And in this season if the hopes of the fan hardly get a place in the team's favour then they did by which the hopes have also fallen. So, they need to be more consistent and more hard working to get rid of their current destructive image. And this is the only way by which they can get success. Because If they fail this time then things will be worse for them and the survival will be difficult.