Also this article:

> The numerous measles outbreaks and associated avoidable deaths have resulted in part from hyping disproven theories of harm rather than publicizing the effectiveness of the measles vaccine

> Plugging the concept that diabetes is curable by “changing the food source” simply ignores the large body of work that has demonstrated that it is not merely a disease of poor nutrition and the immense challenges of reinventing the food industry

> If this policy continues, it will greatly reduce the number of funded programs or even eliminate them. Will the reduction and elimination of these major programs be in the best interest of science and improve the health of the American public in general and individuals with diabetes in particular?

They are very concretely worried because the current administration is demonstrably directing funding for research projects away from scientists (and into the Trump family pockets, which is equally well documented. They are worried because Diabetes research is threatened by budget cuts.