And POS coin is against the nature of decentralized system: It is fixed by a small group of stake holders while the others can never change the system even if the time comes. The POW coins instead will change when the majority of hash power decided that a change is necessary
Controlled hashpower ~ available money. This lead to the conclusion that there is no difference between PoW and PoS except the fact that PoW needs a lot of electricity.
PoS domination once established are unchangeable, this is clearly telling late comers: You are too late, don't join this game. However, PoW hash rate domination are all temporary and can be changed quickly, we have seen many times old hash rate king been knocked down by new mining pools/farms