It’s a what if that I’ve often seen and I think that blmaming only him for german military mistake because it seem that hitler was actually right about going south since it was there that ressource were ,also wasn’t halder the one that originated quite a bit of myth regarding the eastern front and contributed to the clean Wehrmacht? ( https://en.wikipedia.org/wiki/Myth_of_the_clean_Wehrmacht#Franz_Halder ) and hitler shouldn’t be blame for the me 262 delay because messerschmitt already had design the schnellbomber variant before presenting the aircraft to hitler (source: aéro journal hors série 34 on the me 262 writed by J-C Mermet who got in detail about the me 262 variant with quite a bit of original document), the engine caused a lot of trouble during the developement and they also changed the undercariage with a trycicle wheel that they had to test and Messerschmitt also thought that the aerodynamic could be improve.
Also if hitler listened to his general he would have still lost the ar and I also recomand the ligne de front hors série 27 ,the magazine debunk the clean wehrmacht and show ohw politicise the Wehrmacht was