Ten Hag was able to manage the Manchester United squad well in the first season of his career there, Manchester United performed better under his guidance and ultimately managed to qualify for the Champions League this season. At that time he inherited the squad left by the previous coach, although there were several additional players during the season, but Manchester United's performance was much better than this season.
The current Manchester United squad is predominantly filled with players appointed directly by Ten Hag, but strangely he seems to have lost direction in managing Manchester United. I think Manchester United poor performance is not due to a bad transfer policy, but because Ten Hag ability is starting to decline in managing Manchester United.
Manchester United have zero points, poor performance in UCL and EPL. Erik Ten Hag had complications with key players who would have aided in comprehending the team's performance, I'm not talking about average players but key ones like Cristiano Ronaldo who delivered the team in crucial moments, yet he was underrated in the team because he was completely out of the picture in Erik Ten Hag's eyes, he favored the young ones instead of employing more qualities of Ronaldo among the average players. Manchester United is suffering today as a result of past mistakes made by the club and coach.