Nothing has really changed, this genotype of a thing is mostly done by people who have acquired some certain level of education in the society and they think it's necessary for them to do this genotype. If you check through the African society today many people are still getting married without any genotype testing and yet they are producing healthy children. For me as an educated person I did went for genotype test with my partner for us to be sure of things so we can avoid certain things that may happen in the future.