The term 'ashamed' connotes embarassment, revealing Eric's deep disillusionment and embarassment because of his realisation of capitalist' inherent exploitation of individuals. The hyphen simplifies the sentence, akin to the Inspector's concise speech, Eric is simplifying to his obdurate parents of the older generation the importance of collective social responsibility. In A1, the Inspector's brevity denotes authority, a trait echoed by Eric.