It's more of Thiel influence of 'build a cult' on Zuckerberg and also his inability to listen from other respectable figures for their opinions. I got that vibe from the article of the Whatsapp founders. Seems that Zuckerberg has his mind set on an idea and will shut down any other opinion. Troubling for investors, it's never good to have a monoculture or one-sided opinions and it doesn't look good to have smart people (and proven successful) jump ship at this rate.