Honestly, at a glance, the library design is horrible. A mix of C macros and global variables. The project is really small, to fix it all you need is a single struct pointer that gets passed to around.
Just like monitor manufacturers don't offer prescription glasses along with the purchase, Oculus won't offer lenses.
Corrective eye-wear is very individual and requires some amount of expertise( exam, specialist ), so it doesn't make sense, and it isn't very feasible, for Oculus to provide that for you. Also contacts are very cheap.
No, the code is still copyrighted by Networks Layer8 or Airtel.
Publishing or delivering it on request doesn't make it public domain.
Here is one definition of public domain: the status of a literary work or an invention whose copyright or patent has expired or that never had such protection.
They use cameras for counting free spaces as they mention in the video. Nothing is said about security. Having cameras does not mean you have actual recording and surveillance.
They also showed some outside parking places. Security is not a problem inside but what about outside? Do the cameras serve a dual role, is the bike insured against theft?