Some Tesla workers say they wouldn't join a unionized company and predicted the UAW would struggle to find footing at Tesla.While Elon Musk has spoken out against unions, a major Tesla factory reportedly has a UAW organizing committee that's speaking with workers.automakers after reaching tentative agreements with the Big Three. Michael Swensen/Getty Images and Michael Macor/The San Francisco Chronicle via Getty Images The UAW has said it's set its sights on Tesla. Some Tesla workers say they'd never join a union, even as Ford and GM workers get big raises