Ralf's job is Mission Impossible. He has won 3 and drew 1 premier league game and yet so many negativity from the posters here. He has done this in the midst of Covid 19 disruption.
This is not FIFA Playstation where you can just change formation by pressing a few buttons on your controller. This is real life where Ralf's has to deal with many multi millionaire big ego superstars telling them to work much harder, to be fitter, play differently than they used to, change their mentality and discipline, and whatnot. If he went too hard, it will backfired that whole team will revolt against him.
Ralf needs time to implement all these changes. He already stated from day 1 that his style is similar to Klopp. He is trying to build the style of play but in the same time he needs to be pragmatic to prioritize results first and foremost.
He can't just force his style of play from day 1 and force everyone to be pressing machine. This is not possible, even Klopp or Pep can't do this.
We need to be patient and let Ralf has the time to implement his ideas and more importantly identify the permanent manager to continue this style of play. All Ralf's previous team that he managed as Manager or DOF were playing modern attacking high pressing style. Hence, there is no reasons why he will deviate from this style at Man Utd.
We have 3 years of dross football under Ole, I think it's fair that we get behind Ralf for this 6 months and after that the new permanent manager to start our new era of modern football. The changes will be painful but it will be worth it.