1. applies to Seattle residents who grew up in the Pacific Northwest and are sheltered/naive in their young, white, liberal eutopia.
2. applies to Seattle residents who grew up in the Pacific Northwest and seem to have no comparative understanding or knowledge of the rest of the country/other cities, think a lot of things about Seattle that aren't true, and deny that Seattleites are passive aggressive.
You can be diagnosed with Seattle syndrome if:
You are very standoffish in public.
You are very non-confrontational... some would say passive aggressive.
You think that drivers in Seattle are aggressive.
You think that it gets too cold in Seattle (doesn't apply to California transplants).
You don't notice that everyone drives 2 mph under the highway speed limit and don't recognize the left lane as the fast lane in Washington state.
You think there is a lot of variety/diversity in Seattle.
You think Seattle is a really big, serious city... comparable to Chicago or New York.