comment: If I understand you correctly, you are using the term 'human reliance' to mean our dependence on other people to do things for us. I can see that this can be a constraint, but it seems hard to consider it the largest barrier. 
  For a start, billions of people live under various forms of political and social repression. Being disappeared for criticising the Great Leader, executed for being gay or jailed because you couldn't afford to bribe a police officer are all bigger impediments to personal freedom than needing to hire a voice actor for your indie video game project.
  It also strikes me that accepting some dependence can, counter-intuitively, make make a person freer. A subsistence farmer is probably pretty independent, by your standard. He grows his own food from seeds he produced, sources his own water and probably maintains his own dwelling and tools to a large degree. Entire weeks may pass without him needing to call on anyone else to support his lifestyle. Compare that to an office worker who spends her time providing highly specialised labour and depends entirely on others to give her the means to meet her daily needs. 
  Yet the farmer has almost no options in life. He depends entirely on planting specific crops on particular patch of land at the times the climate dictates. He has few options to improve his standard of living, doesn't get to travel and has few resources with which to pursue personal fulfillment. The office worker, by contrast, has far more flexibility and much greater resources at her disposal. These give her a real choice about were to live, how to make a living and what to do with her free time. Do you really think the farmer is freer, despite having far fewer options?