Why does Pausch show the audience a video of his zero gravity experience

Which kind of bias is evident in the sentence below? " along with bears, lynxes and wolves, boars were idiotically hunted to extinction in the middle ages." a subjective vocabulary/ mistreatment of opposing views/ corporate bias/ stereotypes

1. saved aronnax from drowning "an incident" 2. speed of the nautilus man-of-war 3. next to captain nemo conseil 4. electricity vigo bay 5. "a coral tomb" 20,000 leagues 6. the nautilus runs aground nemo's "thunderbolt" 7. episodes are connected by aronnax's quarters 8. captain nemo's "bank" cause 9. distance aronnax traveled on the nautilus "a fine death for a sailor" 10. captain nemo sinks for revenge 50 miles per hour

Why can’t the man get the third fire started?