[Sorreah]

What does mental health of people living there have to do with the success of a few companies?

There are successful companies that eat their workers alive, employee happiness isn't related with their success in a lot of cases.

[seizethecheese]

Tech companies can only produce what their employees output. If people were so miserable in Seattle there's no way that any company based there would thrive enough to be a top company in the world.