Hagiography
I have heard people criticize this movie as an exercise in hagiography. (Hagiography is a highly polished, idealized biography of a Saint.)
It is, but not of Patton. Rather it tends to be hagiography of Gen. Omar Bradley.
Patton is too often portrayed in a rather two dimensional way, where Bradley is portrayed as the true adult in the room shepherding George along. The historical record is far different.