If these conflict with your personal beliefs about the universe, that's a shame, but that's not the same thing as saying they deny all possibility of a creator.
"we are not the playthings of supernatural intervention, that we can make our own way in the universe"
Are you suggesting that assertions about purpose are the product of scientific evidence? Having purpose in the universe sans "supernatural intervention" is a theological position. One that denies that the God that most Americans are familiar with exists.