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Or rename it to Decred Classic, "the real for-the-community Decred". I'm not sure of what's technically possible, but that was the point of the debate. On-chain governance can't stop a community of different standpoints from breaking apart, and splitting away.
Dude, you've been answered about it dozens of times but seems that you don't want to see the answer and don't stop repeating that fallacy.
It's not worth it financially for anyone to do in decred what happened to eth/etc and btc/bch when communities splited by centralized decisions and lack of consensus, which makes it "impossible" in DCR.
About copying and pasting the code from github, creating another currency and giving it any name you want, it can be done with any currency.
It's up to the market to assess whether it deserves any respect or not.
So this is another currency, starting from scratch, there is no link to the previous blockchain. The whole story is deleted. The smart contracts made will not be present, nor will the records in the original blockchain.