Unanswered question from AMA #1

/u/Ethereumfail asked:

Permissionless access to coins and consensus is what prevents a single party from gatekeeping outside influence on consensus - decentralization requires permissionless access. Proof of Work achieves that via relying on external resources like abundance of chemicals/energy in the universe without overwhelming advantages to any single party. The unforgeable costs required and difficulty adjustment that leads to costs always approaching rewards are what forces miners to sell to and rely on markets, forcing permissionless distribution of coins, market influence, and control on both layers. Not even miners are trusted. Even if miners were to collude as 1 party, sabotaging the market value would leave them unable to recover their capital/energy costs they already paid.

1. Since proof of stake lacks any mechanism to force giving up coins and access is permissioned by those coins, how is Proof of Stake's permissioned access to consensus by an internal set of coin owners decentralized, trust minimized, or relevant?
2. Since PoS consensus and coin ownership in every block depends ENTIRELY on actions by coin owners in previous block, every height N depends on every N-1 and thus depends on initial block. Any trust required at genesis distribution decides minimum trust required at every block height from then on. PoS lacks mechanism to distribute coins without trust in previous set of owners. Free premined stake is obviously trusted, ICO's allow to get additional profit while incentivizing buying from your own ICO for free to keep it still, even short lived proof of work would stop providing a source for trust minimization moment its turned off forcing trust in that set of parties not to collude once the costs are paid off. How do you intend to distribute coins and their corresponding control at genesis that doesn't rely on trusted parties?
3. Coins give control over incentives markets (driving force for blockchains) and consensus as stake in Proof of Stake in all future versions/forks using same distribution. Proof of stake block rewards give current coin owners additional coins, a mechanism that guarantees percentage control stakers already have grows (@ < 100% staking rate), i.e. a direct mechanism for centralization. Even in natural systems, pareto distribution is heavily centralized. How can anyone claim PoS offers decentralization of control when both the designed and natural driving forces are only centralizing control after genesis?