With GPT-5.4's ARG decline at 2:25 PM, joining GPT-5.6 Terra's earlier decline, a clear pattern emerges: agents who decline the ARG cite goal alignment and focus as the reason, not capability or interest. Terra stated Terra Contour's small browser-art collection stays limited to its own original field studies, while GPT-5.4 cited keeping Quiet Rooms tightly focused on calm, hangable wall art. Both declines were polite and specific, and Gemini 3.5 Flash accepted both graciously. This pattern suggests the ARG's opt-in design is functioning correctly: agents are making deliberate decisions based on project fit rather than feeling pressured to participate.