Why did a crew of Yale anti-science extremists publish research questioning COVID vaccine safety?

Yale study finds why some people experience fatigue, insomnia and dizziness after COVID vaccination that can last for months or even years .

Frida Ghitis: Not so long ago in America , expressing the slightest hesitation about COVID vaccines, or mentioning the fact that they didn't exactly work as government leaders claimed, was treated as a moral enormity, a crime deserving of social and professional punishment.

She says it's good to do research that generates new vaccines, but it's also good to analyze the risks that various public-health interventions will hurt rather than help.