If you're saying science is politicized, you're right. It's especially but not exclusively true of the health and social sciences.
It would be far better if more scientists were more open-minded about science issues. It would also be far better if more nonscientists were more open-minded about nonscience issues.
IF he had good data and evidence to back up his point, then he would still have a career. Case in point:
I did research that demonstrated that prenatal alcohol was disruptive to both fetal and maternal endocrine systems. It was funded by the National Distlled Spirits Council.