I lived in NSW (the state in the article) for a while, and had my car rammed into from behind 3 times in 2 years while I was stopped at a red light, all 3 times the drivers admitted they were checking their phone and hadn't noticed the light go red or me stop. They're not even shy about it, and the casualness at which people use their phones in cars is shocking.
I got front and rear dash cams after the 1st hit, to protect myself for insurance claims etc, and caught the following 2 + uncountable near-misses almost all of which were people using their phones, doing make-up, or at one point eating a bowl of cereal while driving.
People don't take it seriously at all, and having had a close family member killed by someone blowing a red light while playing on their phone, and my best mate killed by a truck driver mounting the footpath because he was checking his job computer, I'm 100% for stricter punishment against people who don't take driving seriously.
Mobile phones, drink driving, all of them can and do lead to people dying and should be treated as such.