Man Utd are a low quality team, they put everybody behind the ball at Anfield. It’s a tactic that relegation battlers employ. Liverpool weren’t at their best but still far more likely to win than Man Utd.
We can go on to say that Manchester United's performance is bad but they were able to stop Liverpool three straight wins to a draw. That's commendable of them because nobody thought that the Liverpool team which is in its best form can't possibly break Manchester United's defense by scoring a single goal against Manchester United after playing at home.
What Ten Hag needs to work on in Manchester United, is to fix their defense and frontline. And they will bounce back