Sometimes, too much technology can be a hindrance to production goals, and Tesla recently found this out the hard way. Tesla, which is well known for its groundbreaking Model S hatchback and Model X crossover electric vehicles, attempted to go full-tilt with robots and automation to reach lofty production goals with its mainstream Model 3. 
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Source: Hot Hardware – Tesla Blames Over-Reliance On Robots And Automation For Model 3 Production Delays