He was a huge burden to Ike. He was also a National hero to the British people.
Ike HAD to put up with Monty for the coalition to work.
Hitler tried to split that coalition with the Battle of the Bulge.
Hitler, mad as a March hare, nevertheless had a saavy intuition. He obviously knew the tentativeness of the unity of the Allied effort and almost pulled off the Allied split he hoped for. But his generals knew this last-ditch effort was headed nowhere and Hitler’s his madness sealed the deal maybe even hastening the war’s end.