Mark Cuban quickly debased Trump's claims that using tariffs will help the US economy in under a minute. Cuban joined CNBC to dispute Donald Dump and his outdated and unconscionable tariff plan. CUBAN: 75% of manufacturers have under 20 employees, right? There's like 4,000 companies that have more than 5 manufacturing companies. Donald Trump is trying to come in with a hammer and say you're the nail I'm gonna hit you with a 200% tariff John Deere. Kamala Harris is saying I'm gonna give you incentives to manufacture more.