Those are two questions. (a) No one can make you care about anything. You are totally free to live in apathy. (b) Her quote was included because she is a promin

Those are two questions. (a) No one can make you care about anything. You are totally free to live in apathy. (b) Her quote was included because she is a prominent political figure in the US, and her position is explicitly contrasted with that of the current administration. This contrast is relevant because of the upcoming election.