Paul Graham has said that "We just cannot let Donald Trump become president. It would destroy this country." [2]
Sam Altman has said that "To anyone familiar with the history of Germany in the 1930s, it's chilling to watch Trump in action". [3]
[1] https://blog.ycombinator.com/welcome-peter [2] https://twitter.com/paulg/status/727902623597105153 [3] http://blog.samaltman.com/trump
Obviously people with differing political beliefs can put them aside and work together, but these are some unusually strong statements from Graham and Altman. Thiel's participation in YCombinator also raises some troubling issues for potential founders. Are there any Latino or Muslim ycombinator founders? Are they expected to interact with Thiel?