It is true that Manchester United is currently in a very disadvantageous situation because I think they are even worse than the previous season. I don't know whether this will happen to Ten Hag or not for his fate, because as far as I know Manchester United did give Ten Hag the opportunity to prove himself but if Manchester United continues like this maybe his career at Manchester United could end.
You are right, maybe by changing the manager they could be a little better, but for now I think it's too late maybe Ten Hag himself has to be able to prove it even though it takes a long time.
So I think Ten Hag has to be able to prove that he is able to bring Manchester United to be better than the previous season and in the current situation, because Manchester United's current ranking is very disadvantageous.

Saying Manchester United hasn't improved from last season has got to be laughable. I hate to see people lazing around when they can utilize the internet very well. Just three game and look at how they rank with this updates in the above image. They just need to start converting the chances they have created so far in the Premier League Competition. I don't blame a lot of people here because they follow whatever the crowd says. I won't be shocked when Erik Ten Hag goes ahead to win the next fixtures in the month of September. Leny Yoro and Luke Shaw are no available for selections. Same would be the same for Tyrell Malacia soon enough.