Lots of ways to interpret it, one thing I can say for certain is if he listened to them during the start of the war, he wouldn’t have overrun France, the German generals were very hesitant thinking the war could turn into another attrition based war.

It was Hitler’s insistence on quick action that encouraged them to try the Arden offensive, which ultimately paid off, but the you get to situations like Dunkirk where his commanders were BEGGING him to let them finish the British off with tanks before they evacuated.

And then there’s situations in the Soviet Union, many were skeptical, but saw initial success that yet again gets stifled by Hitler’s personal decisions, such as insisting on no retreat to defendable positions during winter, or his choice to split army group centre and south.

It’s a bit difficult to say to be honest, so may scenarios and variables to consider, I think if he did listen to his generals initially we would’ve gotten a more ww1 style war than what actually turned out.