From the link from ripple self;

"During the second phase, for every two of the most reliable, reputable, stable, secure and attested validators added to the recommended list of trusted nodes, one validator node currently controlled by Ripple will be removed, until no entity operates a majority of recommended trusted nodes on the XRP Ledger.
"

So the ripple decentralization plan is to choose new entity's (read banks and corporations) based on if they find them good enough and give them status trusted nodes.  Grin

So if I get to be president and give al the important government jobs to my family and friends its not a dictatorship and corruption but de dentralizing power Grin