Repeating lies won't make them true, none of this is solved. All of the ones you listed are very centralized.
It's far a lot more decentralized than the like of shardeum where the developer got their allocation unlocked day 1 and they allocate big portion of SHM to founder and team while this two word basically means the same thing in the crypto space.
PoS could never be as decentralized as PoW and doesn't matter what you do it will always be a lot more centralized than PoW.
In a nutshell, you want decentralization and security just go with bitcoin, none of these dumb altcoins are decentralized.