For starters this is not the flu so comparison like that is wortheless.
Second, 14.8 percent of patients SO FAR infected with this have developed ARDS (Acute Repiratory Distress Syndome)
Source: Clinical characteristics of 50466 patients with 2019-nCoV infection
That's 15% of all patients. That's 15% who FOR SURE would need to be hospitalized and treated...and even after that they have a markedly decreased quality of life...according to wikipedia.
You cite a Chinese publication. I am just not relying upon their data. Asians are more susceptible, according to early reports, based on the virus’ characteristics. The most sensitive were Asian male smokers.