Plans for a utopia in Solano County, California, were temporarily scuttled after community advocates pushed back against the project. It’s a rare instance of tech titans not getting their way. In a 2017, billionaire venture capitalist Michael Moritz had a pitch for potential investors: Put your money into a plan to build a brand new city in Solano County, about 60 miles northeast of San Francisco, and reap the profits once the project breaks ground.