Why the scare quotes, the first freedom of both Open Source and Free Software is the right to run the software for any purpose. It's not some little unimportant detail. It's arguably the most
important property of Open Source.
It does take some mental discipline to actually believe in the movement and not view someone using your software to start a business as them "stealing your work." Such a thing doesn't make sense in OSS, you gave it away freely. It's a good thing, the competition is healthy. You don't have to believe, closed-source proprietary software is much easier to run a business off of as evidenced by most businesses operating that way. There's no shame in it. The FOSS folks are the free love "we don't believe in intellectual property mann" hippies of the software world.
The history of technology and markets show this just isn’t true on any significant timescale.
That’s why the AGPL exists.