When United Airlines refused to pay for his broken guitar, Dave Carroll released a complaint diss track. This resulted in the Airline's stock to go down 10%, about 180 Million, and the incident is a Harvard case study.

When United Airlines refused to pay for his broken guitar, Dave Carroll released a complaint diss track. This resulted in the Airline's stock to go down 10%, about 180 Million, and the incident is a Harvard case study.