That is utterly false. It is the cytokine storm that causes filling of the lungs with fluid that kills most of those who die directly from Covid-19. An immune system over response. They are dying before secondary infections even have a chance to get going.
Keep in mind that there was a huge spike in October 1918 where a very large hunk of the deaths occurred, so the average deaths per day most of the time was much lower than that 854 count.
You have just demonstrated that your understanding of statistics is nil.
And that number includes all the “normal” flu deaths as they could not distinguish between flu strains at that time. Normal flu deaths for the first six months of the Spanish Flu pandemic accounted for some 90% of the total based on prior year statistics.
Now explain why we're not having any reported influenza cases this year which means that the usual 34k to 63k deaths by influenza per year will not be going in the records for the '20-'21 flu season.