For now the situation of Manchester united is way beyond repair and I feel the major issue is inside the camp of the coach and his players because the players of Manchester united are really underperforming and they seem to be getting it all wrong because their performance is getting more poor and poor by the day and ten hag himself knows this and if Manchester united should decide on firing him, it would be understandable because that's the only reasonable thing to do.
The main problem is on the coach (Ten Hag). If many players can't perform well, the coach should take the responsibility of the situation. Moreover, Ten Hag is rumored to have bad issues with some players. I heard he has no good relationship with Jadon Sancho. And some Man United players also begin to feel doubt with Ten Hag. This surely causes bad situation in Man United squad. Man United must take a solution for this situation. If most Man United players don't trust Ten Hag anymore, the option is to sack Ten Hag. But I think it is not easy to find the replacement, not many available top coach who have no clubs.