However, they did compare their results to the many differing theories given by experts as to how the geyser works, "busting" all of them. (None of the theories had the full list of contributing factors for the geyser, only partial explanations.)
The authors compared their results to various theories about how the geyser works, finding that none of them fully explained its operation.  (These theories lacked a comprehensive understanding of all the factors contributing to the geyser's function.)