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Ned nor his company run the STEEM network/blockchain. His company just have a website called Steemit.com which has worked as a faucet and employed a lot of people over almost 3 years. So a STEEM without STEEMIT is for many a non essential as more and more publish or read STEEM blogs from other apps.

We only need 21 of the hundreds of witnesses to want to be top 20 to get a fork without the ninja mine attached.
The users get their coins doubled and stinc can have the blockchain they wanted, and we can have the blockchain we want.