Rommel speaks

[Steel God]

At his best [Rommel] was a brilliant and improvisational field commander whom his troops loved and his enemies feared.

And that's all that matters..:)
Same applies to Monty and Patton, moody arrogant egotistical strutting s.o.b's both of 'em but who cares; they did the job and that's all that matters..:)

It's all that matters at the tactical level, but at the operational level or the strategic level, his inconsistency would work against him in a BIG way.