Why is Generation Z the least religious generation?

they are less likely to have attended religious services while growing up, less likely to have attended Sunday school or formal religious programs, and less likely to pray or say grace with their families. Furthermore, Gen Z’ers are also more likely to be atheists or agnostics; 18% of Gen Z’ers identify as explicit non-believers, compared to only 9% of baby boomers and 4% of the generation before them.