Why does zinn claim that wilson made a flimsy argument?

The author uses dialogue in this excerpt mainly

Which of the following correctly describes a repurchase agreement? the sale of a security with a commitment to repurchase the same security at a specified future date and a designated price. the sale of a security with a commitment to repurchase the same security at a future date left unspecified, at a designated price. the purchase of a security with a commitment to purchase more of the same security at a specified future date.

Francisco loves to learn, but his lack of english makes him feel “nervous and scared.” why is he both happy and scared of school