Proof-of-stake is a political system that leads to a Babylonian confusion of tongues. Lacking an objective arbiter of work & time, it is a fiat design that inevitably strands in a bureaucratic doom loop. 
Discussion
Plus if your Tower of Babel is built with poor engineering the beacon chain will fail to finalize and everyone dies.
I forget who said it, but "shareholders vote" is spon on.
Who are gold’s shareholders?
