For the longest time, I've spent in both ETH and ETC forums, I noticed that Tim Draper is more into ETC (the old chain of ETH). In technical aspects, ETC retains the original ideals of what POW timeless security should be and I think this is the reason why Tim Draper is into.

Source: https://www.youtube.com/watch?v=Kft3IejTyos . Hot n' fresh interview in ETCLabs, the architect of ETC empire!