How many of those 75-88% were truly preventable deaths? And how many of those "other causes" were truly preventable? If a 90 year old man with failing health

How many of those 75-88% were truly preventable deaths? And how many of those "other causes" were truly preventable? If a 90 year old man with failing health catches Covid is that a truly preventable death? Its at least murky what is meant there. My great uncle had both legs amputated the day before he died in some vain attempt to extend his life. Was that intervention necessary? He was doomed to die by all estimates within the week.