If money is not important, what's the harm in making it available as open source, but with a non-commercial clause?
I believe if everyone in our industry tried to capture all/most of of the economic value of their work, we'd all be poorer for it, metaphorically and literally since a huge part of high SDE salaries is due to high productivity enabled by the open source ecosystem. We are all freeloaders, to varying degrees. Without FL/OSS, most of these source-available companies would never have gotten off the ground.
"Corporate Open Source is dead"?? I don't even know what that means! Having launched at least 20 open source companies, several that went public -- this is not news that this faction of companies were NEVER going to make it (AND WE SAID SO). And that is ok.
That's the beautiful part - you can choose vastly different approaches with differing levels of freedom/openness, depending on your and your users' needs. A game is licenced quite differently than a library which is also licenced differently than a website. And they can all coexist:)