Women who have facial hair are often harassed and mocked at, especially in some metro cities
Facial hair especially for women depends on hereditary factors to a large extent, and women from the same region usually have some ancestors who are related to each other.
In south india, a larger percentage of women in smaller cities have facial hair.
While grooming levels are lower in smaller cities, one of the reasons for more women having facial hair in south india are hereditary factors
People who mock women having facial hair show that they are low class people, since the facial hair is due to factors beyond their control.