https://www.historyvshollywood.com/reelfaces/ford-v-ferrari/
Some of the biggest imo, include:
Enzo wasn't in attendance.
Fiat didn't beat Ford's offer or buy Ferrari until much later.
Shelby didn't take Ford for the ride in the GT.
Shelby didn't bet his company on the win.
The Ford exec never got locked in the office.
Ford engineers had a lot more to do with the development of the GT than they were given credit.