I’m not sure why you think that or what data you are looking at, but current daily reported case count is 3x the same time last year (250k vs 800k) while reported deaths are half (4K vs 1.6k).
Also there's been a lot of doctors and nurses that have left the profession this past year from burnout (and not enough people champing at the bit to take their place...for obvious reasons) so many places were short-staffed to begin with.
I took the overall effect to mean deaths. Based on CDC statements, it seems like they are finally trying to divide hospitalized “from” vs. “with”. I’d expect a more contagious variant to show up more in hospitals for people who have come for unrelated reasons.