The official Anthropic post/announcement
Very interesting read
The math guessing game (lol), the bullshitting of "thinking out loud", being able to identify hidden (trained) biases, looking ahead when producing text, following multi-step reasoning, analyzing jailbreak prompts, analysis of antihallucination training and hallucinations
At the same time, we recognize the limitations of our current approach. Even on short, simple prompts, our method only captures a fraction of the total computation performed by Claude, and the mechanisms we do see may have some artifacts based on our tools which don't reflect what is going on in the underlying model. It currently takes a few hours of human effort to understand the circuits we see, even on prompts with only tens of words.
The problem with that reasoning is that precedence and origin do not necessarily define language use after it. Language evolves. Society and communities make up new or change definitions.
Misuse of the term is evidence that it's not universally understood to be one way.
I think it's mainly because "open source" can be understood as accessible, readable source. And many people seem to intuitively understand it as such. The "free" terminology on the other hand has a more ambiguous meaning between freedom and no cost. And early on, the "freeware" terminology was established as a differentiation to "free software". "Open source" does not have such an equivalent established differentiation (like "source-available", which seems to be just not as prevalent, maybe because there have been much fewer products with that alone).
I understand the desire to correct, specifically with the established OSD. But I have to wonder if it will ever bear fruit, given these circumstances. And in consequence, whether it's even worth to point out.