She'll be fine - in fact, she was just saying how she can't stand hoons and boy-racers.
大丈夫よ。実際、傍若無人に振る舞う若者や、暴走族には耐えられないって、自分で言ってるくらいだから。
hoons"hoon"は"young person who behaves badly in public"のこと。「傍若無人に振る舞う若者」
boy-racers"boy racer"は"person who likes to drive fast cars in a dangerous manner"のこと。「暴走族」