I've noticed that the last 2 or 3 advanced audio blogs are in standard written Chinese 白話文(aka... Mandarin). I'm nowhere close to being advanced, let alone intermediate, so at the moment I'm not too bothered by it. If there are so many lessons here that use standard Chinese, then surely it means that learning would be useful to some extent...That's just my assumption.
So my question is... When do people speak Cantonese using standard Chinese? I assumed that something formal like the news would be spoken in standard Chinese, but I've watched Hong Kong news several times with standard Chinese subtitles and they speak using oral cantonese.