If you are wondering how this change was received by the media, well
Bloomberg: Anthropic Drops Hallmark Safety Pledge in Race With AI Peers
The Wall Street Journal: Anthropic Dials Back AI Safety Commitments
Gizmodo: Anthropic Rolls Back Safety Protocols as It Waits to Find Out If It’s Being Drafted by the Army
Engadget: Anthropic weakens its safety pledge in the wake of the Pentagon’s pressure campaign
My understanding is that some electric and water utilities did a similar thing in the early days of the pandemic, for the same reasons.