The reporter said the video was taken before it opened, so of course there was no traffic. It's pretty busy a few months later as shown in this video: https://youtu.be/YOkW2h2HTD8
You might try naming your functions in Chinese. There's evidence showing that people take advantage of the face recognition machinery of their brains to read Chinese[1].
Coincidentally, native speakers of tonal languages (Chinese being one of them) also seem to have a higher chance of being pitch-perfect [2].
[2] Deutsch, D., Henthorn, T., Marvin, E., & Xu H-S (2006). "Absolute pitch among American and Chinese conservatory students: Prevalence differences, and evidence for a speech-related critical period". Journal of the Acoustical Society of America 119 (2): 719–722.