Possible Clues:

• Unnecessary
• Like careless mistakes
• Chewed a bad olive - was that preventable?
• Not predestined
• A useless fit can be prevented
• Like something one won’t catch a video lab processing
• It's not inevitable for a matador to try to do this, they say
• Feeding one fish to a rodent is not necessary
• It's possible to get around a blank space for first victim reportedly
• Unlike death and taxes?