not that I know of.
It's supposed to be a publicly accessible blockchain. Steemit is no the only way to access the steem blockchain. It's just the one that comes from the developers/investors.
Only way you are being censored is by the big players, i.e. whales either throwing their votes your way or not.
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You should. You might want to cross post, or someday publish a book or something. Or just to keep your work for yourself. That way you don't have to come back to the block chain to reference that work. Immutable or not.
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