alt Hacker NewsThat's a risk they knowingly chose to accept when they opted for FOSS licensing. It's not as if people hadn't asked "Well, what if another party tries to fork our open source code for profit?" all the way back when FOSS was starting to gain traction in the 1990s.
OSS licensing.
Free Software was designed to avoid this, and has become stricter as the technology changed. Open Source was deliberately designed to thwart this. The entire intention of it was to allow businesses to resell work that was done for free. When you fork Free Software, your fork is also Free Software.