In theory yes, but given the birth rate demographics I don't think it's actually true. The families giving birth to the most children in the developed world are

In theory yes, but given the birth rate demographics I don't think it's actually true. The families giving birth to the most children in the developed world are mostly either hyper-religious or poor, whether that's because it's generational or because they just immigrated from a developing country. I think the kind of men (probably in their late 20s/early 30s onwards) that can afford to gamble on stock market apps aren't in the running to begin with.