Earlier quoted context omitted.
The GPL is of course completely commerce-friendly, as it permits anyone to resell the original or modifications to it. What you're asking for is a license friendly to proprietary software[1]. Why on earth would they want to enable someone to close his modifications to RethinkDB? How does that make the world a better place? How does that encourage the growth of RethinkDB (vice the proliferation of closed, proprietary…
Proprietary software is not by definition "user-hostile," and hyperbole like this does much more harm than good to people like me who would like to see more open source and less proprietary software in the world simply as a matter of principle.
Yes, it is: by definition it violates one of the Four Freedoms of users … which is hostile.