Since his original email address has been hacked for several years all of his other accounts will fair game too. There's zero question this is a load of bilge, as was the Dorian Nakamoto post.
Why would you break several years of silence over that?
Perhaps Craig Wright bought the account (and the Satoshi Twitter account that likes to delete its tweets) to coordinate a publicity stunt for SV...
I wonder what the significance of adding that Brazilian dude as a P2P Foundation friend was... In any case, the whole things reeks of shenanigans and of course none of it has anything to do with Real Satoshi.
Nobody can actually sign a message from an address known (or almost certainly known) to be owned by Satoshi (private keys stored as metadata in the blockchain don't coint). Until this happens, Satoshi isn't back.