The enthusiasm to code deaths as COVID-19 was far and away a tell about how this data collection went on. Assumptions, guesswork and outright lies were tallied. Even the media-famous George Floyd has COVID, from accounts read.
One may read the April 16, 2020, WHO directions for how to “code” deaths, moving a possible “one of many” causes into first place. I chuckle to this day about their prose: “The primary goal is to identify all deaths due to COVID-19.
https://www.who.int/classifications/icd/Guidelines_Cause_of_Death_COVID-19.pdf?ua=1