Why are so few people investigating Covid's origin?

> In light of all this, one would expect an army of investigative journalists to be digging for the truth, and a bipartisan commission with subpoena powers to be in full force to find the origin of Covid-19.

Not a single mention of all the scientists investigating Covid's origin.

Approximately 823 Google Scholar hits in 2023 for "origin of covid" at https://scholar.google.com/scholar?as_ylo=2023&q=%22origin+o... .

The Wikipedia page about the author at https://en.wikipedia.org/wiki/Alina_Chan says "During the COVID-19 pandemic she became known for questioning the prevailing consensus regarding the origins of the virus and publicly advocating a laboratory escape hypothesis."