Joyent & Node.js
groups.google.com
groups.google.com
Does this mean Joyent now own the IP on Node.js?
MIT License:
Permission is hereby granted, free of charge, to any person ... to sublicense ...
It also means they could offer a version under a license that is not MIT compatible, if they so desired.
If what you say is true, all Open Source Software would be doomed.