But does everyone on earth have an equal right to an equal share of its resources? the spaceship metaphor can be dangerous when used by misguided idealists to justify suicidal policies for sharing our resources through uncontrolled immigration and foreign aid. in their enthusiastic but unrealistic generosity, they confuse the ethics of a spaceship with those of a lifeboat.

garrett hardin, "lifeboat ethics: the case against the poor"
which of the following words does the author use to show that he believes the spaceship metaphor is incorrect?
a. "misguided"
b. "equal"
c. "share"
d. "generosity"