@sally seems like you're right "However, without a license, the default copyright laws apply, meaning that you retain all rights to your source code and no one may reproduce, distribute, or create derivative works from your work. If you're creating an open source project, we strongly encourage you to include an open source license."
Anyway where do you even find these repos on his github I don't see any contributions but only 1 repo he made 9 years ago.