Michael Owen said were simply ‘not a good team’ after they suffered a 3-0 defeat at home to and described one player as ‘stupid’.
Ruben Amorim’s side were for the second year in a row and lost for the third time in four league games.
The defeat means Manchester United will be just 13th in the Premier League on Christmas day, with the club taking just seven points from .
Bournemouth, now up to fifth as they eye European qualification, took the lead on 29 minutes through Dean Huijsen’s header, United conceding from a set-piece yet again.
Justin Kluivert then doubled Bournemouth’s advantage on the hour mark from the penalty spot after being tripped by Noussair Mazroaui.
Bournemouth were in dreamland just two minutes later as in-form Antoine Semenyo added a third to put the game to bed.
Owen was understandably disappointed by Manchester United’s performance and said Mazroaui’s error to concede a penalty summed the display up.
Asked about ‘rash’ Mazroaui, Owen said on : ‘You’re being kind. A little rash? A little stupid more like.
‘What on earth are you doing? Two players are waiting for him, he’s not going to score from there and he dives in.
‘Just stay on your feet and usher him away. It’s just a poor, poor decision.
‘The sad thing from Manchester United these days is they go 1-0 down and you never really think they’re going to come back.
‘They’re not a good team. Ruben Amorim needs to be watching that game and ensure these players that are not performing do not put on the shirt again. He needs to be that brutal and that ruthless.’
Amorim admitted his defence needed to sort out their set-piece woes after the humbling 3-0 defeat but vowed he was ‘ready’ for the immense challenge of getting United back to where they belong.
‘It’s really hard especially if you saw the game,’ the ex-Sporting Lisbon boss said. ‘We concede one foul and then a goal.
‘We were winning second balls and creating chances. We conceded a penalty and then the third goal. It was really hard for the fans. We have to go again next game.
‘We have a lot of situations where they managed to score a little bit similar to Tottenham. It’s really hard on everyone in the stadium. We have to fight this moment.
‘We have to maintain the calm when you suffer a goal. It was similar in the last match. The players need to understand the game has different moments.
‘I always expected [job to be tough], especially in these busy months. We are ready to face the challenge.’
A buoyant Semenyo, meanwhile, told : ‘Feels great, back-to-back wins at Old Trafford – my second time here and my second win.
‘I think the most important thing was getting the press right. We were clinical on our end and they were unlucky with their chances.
‘We know we have a good team and we are taking it game-by-game. I am not going to say too much and I don’t want to jinx it.’
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