I really liked this video featuring Chamath Palihapitiya[1]. It's essentially a rant about most of VC being a ponzi scheme: https://www.youtube.com/watch?v=RwRZtZQoLtQ

[1] (from Wikipedia) Chamath Palihapitiya an is a venture capitalist and the founder and CEO of Social Capital. Palihapitiya was an early senior executive at Facebook, joining the company in 2007 and leaving in 2011. He is a minority stakeholder and board member of the Golden State Warriors.