He’s not talking about the communist manifesto, he’s talking about Das Kapital. If you don’t care to read it there are YouTube summaries such as this one . If you want to get straight into the meat of the subject you can start from chapter 4 and if you think it’s all stupid take the 5-6 minutes to listen to chapter 7 so you’d at least know where socialists are coming from when they say capitalists are stealing your money.