Seattle proper != King County. Amazon is building out big across the lake in Bellevue. It's Seattle's local municipal government that's gone rabidly anti-business more than the county or state as a whole, although Washington is never going to be confused with a purple state anymore after the last 5-10 years.
Amazon is not the only F500 to be divesting headcount within Seattle city limits in favor of elsewhere in the metro area.
Amazon is not the only F500 to be divesting headcount within Seattle city limits in favor of elsewhere in the metro area.