Former 'American Idol' host Brian Dunkleman slams the 'human barnacles' shaming him for now being an Uber driver

Brian Dunkleman co-hosted "American Idol" with Ryan Seacrest for its first season. Now he drives Uber, as TMZ recently uncovered thanks to divorce filing documents. Following the TMZ report, Dunkleman tweeted a vehement response to story. "I chose to stop doi…