That's a structural problem if ten hag has been buying the players !! Hence why they've got cashworth now.
You say haggy looks well out of his depth but it's been the same story with every man u manager since fergie.
He's won 7 of the last 10 (RDZ has won 5 of the last 21 in the league and is being linked with the biggest jobs in world football FFS !!) and they are 6th in the table. Their squad is hardly world beating. Do you really think a different manager would do much better ?