I don't have much handy, but he was an all around arrogant douchebag.
Tbh, Allen deserved firing for this, despite Patton taking a piss in his slit trench. You can't threaten your superior officer:
Flint Whitlock in The Fighting First describes what happened next: “Allen’s body guards audibly clicked the safeties on their Thompson submachine guns as a not-so-subtle hint…. Patton evidently realized that he had crossed the line and prudently departed the scene.”
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