Earlier quoted context omitted.
You're forgetting the fact that he also went out of his way to strip the git history at first.
I clarified the comment a bit -- I considered that attribution-stripping, but I think you're right that it's more than just that. Tangentially: it's somewhat interesting that we don't consider the source code history in our OSS licenses...
Your license should cover the history, in that every source file should bear a license header, going back to the first commit.