Are PCR tests the key?

I have been looking up what pcr tests actually are because I constantly hear that they are the ones that are being used to diagnose as cases.

From my cursory layman's research, what the test does is basically lets you focus in on a specific molecule or whatever with higher and higher fidelity each time you rerun the test.

In other words, once they take a piece of your DNA, they run it through a PCR test dozens of times and each time they do, the virus comes more and more into view, up to the point where 60 test runs will yield 100% "infection" rates.

The standardization of cycles that should be done, however, is not clear and I have heard (but not verified) that the WHO recommends 45 cycles which has been the subject of criticism from doctors for yielding too many false positives, or "asymptomatic individuals".

According to a New York Times article,

Any test with a cycle threshold above 35 is too sensitive, agreed Juliet Morrison, a virologist at the University of California, Riverside. “I’m shocked that people would think that 40 could represent a positive,” she said.

The point of the test is not to be utilized as a diagnostic tool for doctors, but as a way to quantify precisely how prevalent a particular genetic query is in a sample as well as get the molecule to a measurable size for research.

There is a big difference and the understandable ignorance of this topic is how they are able to make case numbers seem like they are rising

The inventor of the PCR test, Nobel Laureate Kary Mullins, has said if you ["use the PCR test well, you can find almost anything in any body"] (https://youtu.be/Ljxah4NrYKU)(time stamp 2:30).

He goes on to say that "if you can amplify one single molecule up to something that you can really measure, there's very few molecules that you don't have at least one single one of"

These tests are to the foundation to the state line that there is still a pandemic to justify ticketing and/or arresting people for not wearing masks out in public around the world. This, of course, gives the state the precedent for new powers but also gives blank checks to pharmaceutical companies and vaccine producers that, I'm sure just by chance, have been absolved of any and all liability from vaccine liability claims.