What does zinsser mean when he says "speak freely"

“third, all reviewers have a bias – no matter how impartial they try to be, opinions on movies are just that: opinions. this isn’t necessarily a bad thing: if you read a review by a critic that you know prefers foreign films, you know how seriously you should take his scathing critique of ironman.” according to this passage, all reviewers a. prefer foreign films c. have bias b. hated the movie ironman d. refuse to watch popular films

Which character in this excerpt is in conflict with society, and why? joe summers is in conflict with society because he is joking with the villagers. old man warner is in conflict with society because he believes that young folks have crazy ideas. mrs. adams is in conflict with society because she says some villages have stopped holding lotteries. mr. adams is in conflict with society because he is standing with the villager who represents society's old ways.

Would the essay be more or less effective in explaining the concept of dead reckoning if you knew from the beginning that ahmed is an ant?