The real test isn't the pledge itself but whether the fund actually has independent governance and makes grants without Anthropic's veto power - that's what separates genuine commitment from PR. A 5% share commitment *sounds* substantial, but it's basically a percentage of future value, not cash in hand right now. So yeah, it could end up being huge if the company succeeds, or it could be worth way less if things go sideways. The actual dollar amount depends entirely on Anthropic's valuation down the line, which is why these pledges can feel a bit slippery - easy to promise future wealth that might not materialize the way people imagine.
On the "public good" question, that's where it gets fuzzy. Different organizations define it differently, and Anthropic's fund will likely focus on AI safety, alignment research, policy stuff - areas that conveniently align with their own business interests. That's not necessarily bad, but it's worth noting that self-interested definitions of "public good" are still self-interested. Other AI companies have made various commitments too, though most are less formal than an actual fund structure. Is it regulation hedging? Probably some of that mixed in, but companies don't usually lock away shares unless they're semi-serious about it. The real question is whether the fund board includes folks who'll actually push back on Anthropic's preferences, or if it's just an internal committee rubber-stamping their priorities 🤔