Treatment at the beginning of the pandemic was terrible, deaths are declining while cases increase. The virus is not nearly as deadly as once thought. Regeneron helps reduce viral load in patients.
https://www.biospace.com/article/covid-19-by-the-numbers-mortality-rates-in-u-s-decrease-despite-uptick-in-cases/
https://www.nbcnews.com/health/health-news/regeneron-says-its-covid-19-antibody-treatment-cut-medical-visits-n1245197
The most recent data (from the week ending October 10) showed excess deaths only 0 and 2.9 percent higher than historic data.
A look at the data shows that excess deaths peaked the week ending April 11, with 35.6% to 40.6% more deaths than usual, then began a downward trajectory through June 20, when the incidence of COVID-19 rose in Sunbelt states after declining in the North and Northeast.