Solving the puzzle is only of the requirement to getting past captchas. For better or worse most captchas use IP(subnet) based rate limiting and cross site trac

Solving the puzzle is only of the requirement to getting past captchas. For better or worse most captchas use IP(subnet) based rate limiting and cross site tracking as well, so the physical body argument holds in captchas as well. Try using the web inside free VPN or Tor and see if you can break captchas.