And every once in awhile we have to explain to people that yes statistics work, yes the vaccines are damn effective, and the number of people who will die from COVID at this bitcoin conference is a simple function of the (number of people-number of vaccinated people) times the infection factor times the 2-3% death rate. It's as basic as that.
There's a demographic component to the death rate that you've failed to account for. Also people who have either natural or acquired immunity and (in the other direction) those who get infected even with the vaccine.
This news item is simply Bitcoin FUD to go along with all the other Bitcoin FUD that's floating around at the moment.