No, that works fine, and Bitcoin Core uses reproducible builds signed by many different people. The post seems to be attempting to address the chain of trust of

No, that works fine, and Bitcoin Core uses reproducible builds signed by many different people. The post seems to be attempting to address the chain of trust of the PGP keys instead, but whether it succeeds at doing so is questionable. Certainly if a "blockstack id" can only be owned by one person, it's worse.