I'm surprised that arc didn't win that battle. Has the old application system ever been open sourced? If arc can't win at YC where can it win? What hope does i

I'm surprised that arc didn't win that battle. Has the old application system ever been open sourced? If arc can't win at YC where can it win? What hope does it have? If one of you leaves, HN will be rewritten on rails or something, no?