“Folks who say “nothing there” tend to discount evidence that does not meet their criteria on what is allowed and not allowed as “evidence”.
Exactly. Bacteria did not exist until the microscope was invented to view and study bacteria.
Up until 1993, the usual skeptics claimed that exoplanets didn’t exist.
Modern science has an additional handicap that is not often discussed—the rise of the nation state and modern technology has meant that much of science is classified and compartmentalized.
That means that “public science” is a subset of “secret science”.
It may well be that the Deep State is well aware of physics, chemistry, biology that is not “public information” and therefore there is “no evidence” in the public domain.