The title is misleading, IMO. Looking at the image of the mail conversation, it looks like the author of the repo initiated a mail with docker legal team asking

The title is misleading, IMO. Looking at the image of the mail conversation, it looks like the author of the repo initiated a mail with docker legal team asking if it's OK to use those names to which the docker team politely replied it isn't allowed and also explained why. The author of the repo then goes on twitter and curses them. Don't see docker doing anything wrong here.