Jeff Bezos and Elon Musk reignite space feud: World's richest men spar over their satellite internet projects with the SpaceX founder blasting Amazon for 'hamstringing' Starlink Bezos and Musk became embroiled in a public spat Tuesday over Musk's SpaceX Starlink and Bezos's Project Kuiper being evaluated by federal regulators Musk, CEO of SpaceX and Tesla, took aim at Bezos on Twitter accusing his Project Kuiper of trying to 'hamstring' his Starlink venture He also made a dig that Amazon's project is 'at best several years away' from getting off the ground Bezos clapped back via Amazon saying it is actually Musk who is trying to 'hamstring' and 'smother competition in the cradle'