Conservatives are leery of fad-science (snake oil) when common sense says otherwise. Same for fad-legislation.
Liberals ignore or have no common sense, & are emotionally swayed by pretty faces & smooth talking hucksters. They may have good hearts, but they are poor problem solvers.
“Crazy religious extremist” Cotton Mather encouraged the first experiments with smallpox inoculation in the new world.
http://www.celebrateboston.com/first/inoculation.htm
Mather also conducted some of the first known corn hybridization experiments.