Strange comment! Anyone can apply to be a Thunderbolt technology developer: thunderbolttechnology DOT net SLASH contact SLASH thunderbolt-developerThunderbolt is a closed standard designed with DRM in mind. Just like HDMI, it will restrict manufactures from making video capture cards. Thunderbolt simply won't license the technology.
"Open" compared to what? Developing USB technology requires a vendor ID issued by the USB-IF.Support open standards like USB 3.0 which is fully capable of doing 1080p.