about the world, you are not a good scientist," except when talking about global warming, because that science is settled.
No scientist thinks they know everything. But that doesn't mean that scientists aren't extremely confident about certain things.
If the science is all settled then it's just dogma. Might as well move over to religion, as everything is completely planned and all under control.
(At least they have better songs. And vehicles -- when was the last time you saw someone in the official Scientist-mobile?)