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Continuity mistake: During the classroom scene, Donald Sutherland writes the word "Satan" on the board. In the first shot, the "t" in Satan in directly over the crease on the chalkboard. In the next shot, it is clearly on one side of the crease. (00:18:00)
Answer: There's no indication that the Deltas didn't face legal ramifications from their actions at the parade, nor that Pinto didn't get in trouble (when we last see him, he's literally being chased by the mayor). The film ends at that point and, although the film provides title cards telling us what happened to the characters far in the future, we don't see the immediate aftermath.