For a sizable factory, massive spaces must be dedicated to renewable energy, which means obliterating lots of pests. And building the renewable infrastructure--

For a sizable factory, massive spaces must be dedicated to renewable energy, which means obliterating lots of pests. And building the renewable infrastructure--mines, crude pumping, transit, smelting, refining, manufacturing, landfilling lakes, bot deployments, defense--are massively expensive and polluting. By comparison, nuclear (or even coal!) is much easier on the wildlife.