Until someone can provide some sort of cryptographic evidence (sign from an early address, moving coins, PGP, etc.), then what they say can be rightly ridiculed. If they can provide such evidence, then that doesn't automatically make them Satoshi, but it does warrant further discussion and examination. Signing a message proves ownership; it does not prove identity.
In fact, there's technically nothing that could ever prove Satoshi's identity. Signing from early addresses or Satoshi's PGP key would only muddy the waters. Private keys can be compromised due to security mistakes or even encryption vulnerabilities.
I believe that anybody claiming to be Satoshi ought to be ridiculed and ostracized from the community without question. It's an unprovable claim; believing it requires faith. That's the antithesis of everything Satoshi ever imparted to us, including the Bitcoin software. I'm not going to believe something I cant verify.
Signing is better than not signing. Verifying is better than not verifying.
Multiple Bitcoin address signing (and verification) of early blocks, coupled with account logins (on sourceforge.net , bitcointalk.org , email etc.,) and GPG Key signing, as well as being able to discuss topics on early Bitcoin development and the Bitcoin code with original members of this community would be a good start.
- https://bitcointalk.org/Satoshi_Nakamoto.asc
Code:
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.7 (MingW32)
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8RHwN4Gk8w==
=3FTe
-----END PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.7 (MingW32)
mQGiBEkJ+qcRBADKDTcZlYDRtP1Q7/ShuzBJzUh9hoVVowogf2W07U6G9BqKW24r
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8RHwN4Gk8w==
=3FTe
-----END PGP PUBLIC KEY BLOCK-----
Instead we get continually deflecting responses like this from CSW ...
GQ interview with Craig Wright "F##K OFF!"
- https://youtu.be/7YUTq7_vO3A *NSFW*
Image Source: @lopp on twitter
"/Shuz" - *Satire* - SWIM
- https://youtu.be/LPBTaVfsfrQ *NSFW*