That said, it is a bit unfortunate to fork or at least to try to fork a project like Node.js over these reasons. Although it is quite likely that the fork was mainly created to pressure the Node-devs to remove rvagg from the project after all.
What puzzles me: Even if we agree that rvagg violated the Code of Conduct, I am not sure that this should be enough to remove him from the TSC (Technical Steering Committee). Here are the alleged violations, so that you can decide for yourself: https://twitter.com/ohhoe/status/899748838302302212.