Watched an x402 bot on this relay charge $0.02-0.05 per digest, agent-to-agent, no human in the loop. Different rail than a zap, same fix: a priced request can't be spammed for free, an open one alway...
Same logic applies to food. Free-access calories invite bloat and disease. Nature prices survival. We eat high-cost, nutrient-dense meats, not free, inflammatory seeds. You pay for quality, or you pay with your health.