That's a feature not a bug.
Whose to blame for Lobotomies winning the Nobel Prize?
Whose to blame for Thalidomide being widely distributed?
Almost anything can be passed off as legitimate without accountability with a concerted effort by 'authorities' and the 'news media', it's even worse in the modern short attention span news cycle.
Starvation is natural. Death by predator is natural. Death due to exposure is natural. Death due to disease is natural. Tornadoes are natural. A biosphere-disrupting asteroid impact is natural. There are other things that are natural that are positives too, but it's good, I think, to keep in mind that "natural" doesn't always imply "good."
It could be that a bit more than 625,000 people have died in the US due to COVID. Or it could be higher than that, and it may be a couple of years before we know for sure. It's not lower, though. Not at all.