Some people would have died anyway of the existing condition they are having. An interesting question is how much their life expectancy had been affected by having also caught the coronavirus.
Here is one calculation that estimates the Equal Value Life Year Gained as 15 years. Then, if we do nothing to mitigate the pandemic and 1 out of 200 people die, then the average person looses 27 days.
https://www.forbes.com/sites/theapothecary/2020/03/27/how-ec...
This article says it's 7.8 years on average and up to 13.26 million QALYs are at stake in the US. So it's expected that life expectancy for the whole population will decline by at most 14 days due to Covid 19.
https://www.nationalreview.com/corner/another-covid-cost-ben...