If they needed to clean house (and they do) in order to warrant future funds, they would.
AIDS research, Evolution, Climate Science, DDT ... the list is long for scientific research which is constrained by an existing ideology such that only scientific thought which is "appropriate" can be contemplated.
That's not science at all.
It has gotten geometrically worse since big money has entered the profession. Scientists have become thoroughly corrupted as visions of grant dollars and book deals dance in their heads.