Luckily Manchester United did not lose in that match, but what is quite regrettable is how the second goal was scored by Lyon in the added time so that Manchester United failed to maintain the victory.
Maybe the coach is doing some experiment to understand why many good players and even goalkeepers play well in other teams but when they arrive at Manchester United they play worse, but strangely when they leave Manchester United they play well again.
Manchester United has made terrible mistakes in the last 5 years

Fiorentina will trigger the option to extend David de Gea’s contract, confirmed.
“He will stay with us also next season”, president Rocco Commisso says.
https://x.com/FabrizioRomano/status/1910935918502174981At this point he would be playing for Manchester United and the team would have saved money, but they let him go and spent money to sign a goalkeeper who didn't have much experience in the Premier League. Honestly, I can't understand Manchester United's mistakes.
As De Gea gets older, he is getting better at making saves, his reflexes are very rare for most goalkeepers. But unfortunately, as you said, Manchester United chose to waste that talent just to bring in a goalkeeper who is said to be more visionary.
Likewise, several other players, both midfielders and attackers, and perhaps the latest is Antony who is currently playing for Real Betis on loan for half a season. Since his arrival at Benito Villamarin, Antony has succeeded in bringing Real Betis which was initially in 11th position and now they are in 6th position in the standings, and even Real Betis is unbeaten in its last few matches in La Liga in a row.
And seeing the improvement experienced by Antony, I hope that after the season ends Man United will bring Antony back to Old Trafford, changing his mind to sell Antony at the end of the season.