.@mignano says there will be a swing back to the mission-driven company, because people at insanely well-capitalized startups are getting burned out chasing huge paydays: "We've seen a lot of capital flow into the ecosystem over the past few years, and I think that has turned a lot of missionaries into mercenaries." "We keep talking about the same two or three startups that are massively valuable. But I think we're also seeing a lot of churn and a lot of attrition at these companies. I think…