when people make this argument I think they mean "assuming the person has an approximately normal parenting style". Its a bit like saying the infra doesn't mat

when people make this argument I think they mean "assuming the person has an approximately normal parenting style". Its a bit like saying the infra doesn't matter, only the app does (assuming the infra is built with best practices for availability and scale). When in reality, its missing the forest for the trees. You're essentially claiming that a parent who neglects feeding a child, drops them repeatedly, and lives in the drug-infested dangerous area of town, abusing drugs and alcohol while pregant "matters very little", when its obviously _the_ defining factor in how this child will grow up. Your point holds when we assume most parenting styles are roughly equal (but this would also hold for environmental factors and genes, since most of those won't be too drastically different for most people). Put another way: perhaps the most important factor is the one furthest from the mean. If your genes are basically average but your parents are horrible (abusive, neglectful), you may not live to 12. If parents and genes are average, but your environment is war-torn 3rd world, you may not make it to 12. If your parents and environment are average but your genes are horrible, you may not make it to 12. But its clear all the factors can be extremely important, and the claim of the GP only applies "all else being roughly equal". Back to the app example: assuming sane infra, yes the app might be "more important" to the business. But if you have an average app, but your infra is terrible (long load times, constant outages, losing data, payment system failures), well, you aren't going to succeed.