Directed by Eric Weinrib. SpaceX founder and CEO, Elon Musk, may be the third-richest person in the world, but to the residents of Boca Chica he's simply a ruthless businessman. This sleepy hamlet on the southernmost tip of Texas is home to retirees who were looking forward to enjoying their golden years in this beach paradise. Then SpaceX came to town. Founded in 2002 to revolutionize space technology, SpaceX and Musk…