Berniesaders Scandal: Steem is not decentralized

I read a comment on steemit made by @berniesaders shocked me.

When I read the steemit white paper I found this:

Lik to the commet: https://steemit.com/witness/@iloveupvotes/witness-guide-suggestions-and-witness-warnings#@berniesanders/re-alohaoy-re-berniesanders-re-alohaoy-re-berniesanders-re-iloveupvotes-witness-guide-suggestions-and-witness-warnings-20170212t160812644z

Please give you opinions in this issue.