Absolutely but you kill it through the school system, take away the them Vs us culture, wee Billy and Timmy are best mates at an early age. Couple of generations but we will get there
My daughters friend from just down the street goes to the catholic school in our area, my daughter doesn't. She has no idea that there are religious/ non-denomination schools she just thinks she goes to a different school.
Bigotry definitely starts (and ends) at home.