To answer the question asked
The death rate is morbid I agree, but it helps to calculate how many people have had the virus. My understanding is that only a tiny % of the UK population has been tested so far and that was test to show if they have it, not have they had it. So current test figures are not very useful for predicting how many people have had the virus.
To be fairly safe we need a reliable vaccine available to everyone (we are told that could be over 12 months away) or herd immunity or stay in lock down till the vaccine is available. In 1918/9 that was 30% of population to have had the virus, with about 0.1% of the population unfortunately passing away. Today that would be around 65000 deaths in the UK. Hopefully with modern technology we can avoid 65000.
I am amazed with the Chinese figures, if true not many people there have had the virus. Possibly only 4.5m in a population of 1300 million?