He downloaded the source code, not the database, so no user data.
Still questionable to some degree, one could demonstrate the problem without a full download
I got 1.2 GB of data to go through. The data-set
contained:
Wordpress configuration files (yes, they use Wordpress)
including hashed user credentials for the backend login
Database passwords for production databases
Log files
A lot of PHP source code
(who could have guessed?!)
much more …You can use those to obtain user data.
> Log files
Easily could contain user data.