Earlier quoted context omitted.
The same is true of any successful open-source project, isn't it? Almost all popular projects are used by for-profit companies, regardless of who owns the copyright on the code.
I feel different about fully open source projects. You are working for free for the benefit of the company, all other companies who want to use it, and the rest of the world. I'm happy to work for free when it benefits everybody equally. I don't care that for profits benefit, because they all benefit potentially the same amount. It's a boon for the world. With open core, you're working for free for the benefit of the…
It's a reasonable position, but I can imagine open-core projects that aren't conflicted this way, and open-source projects that are.