Casper raised half a billion dollars on the radical idea that a mattress in a box could build a lifestyle brand — then watched that thesis collapse in slow motion as every major retailer cloned their product and sold it cheaper. We dig into the psychology of DTC hype, the VC money that turned a solid small business idea into an overvalued unicorn it could never grow into, and what the Casper implosion reveals about the entire 'disrupt boring industries' playbook of the 2010s.