If it ends up having a similar impact like IO.js, I would say, why not. Fork it every other month, I wouldn't care.
If this is less "technical issues need to be resolved and we need to be agile" and more "I hate the other person so I won't work with him/her" though, then it would just cause problems all around the community.
If this is less "technical issues need to be resolved and we need to be agile" and more "I hate the other person so I won't work with him/her" though, then it would just cause problems all around the community.