Mark Zuckerberg. THE Mark Zuckerber. Mark "Facebook-Instagram-Whatsapp" Zuckerberg. Also known as the absolute-control-man (Seriously, have you seen the restrictions you got on posting in facebook?).
I just can't see how you can apply an altcoin to his model. Not because of the technology, but the philosophy.
Descentralization kinda goes against everything Zuckerberg has been doing in business. Every single thing.