What is ‘wisdom of repugnance’ in Philosophy?

Also known as the yuck factor, this refers to the argument that any intuitive feeling of disgust that a human being might feel towards something is reason enough to consider the thing to be immoral in nature. Supporters of this idea believe that the emotional reaction towards something is simply an involuntary articulation of deeper wisdom within human beings that may not be easily comprehensible through reason. The term was coined by American scientist Leon R. Kass in 1997 to argue against the cloning of human beings. Critics of the idea believe that gut reaction against something can, in fact, lead people to do things that are deeply unethical in nature.

Source: The Hindu, 22/01/2019