So where does that leave the cage? And the elephant? And the sow?

This is not a philosophical quibble. It is a clash of worldviews with profound consequences.

These two realities define the sprawling, emotionally charged, and rapidly evolving arena of animal ethics. We stand at a peculiar historical crossroads: never have so many humans loved their companion animals so deeply, yet never have we raised and killed so many sentient beings for food, clothing, and experimentation. The question quietly tearing at the fabric of modern society is no longer simply, “Should we be kind to animals?” It has become, “What kind of beings do they truly are—and what do we owe them?”

Perhaps the most honest answer is that we are still early in this moral journey. The arc of justice, as Martin Luther King Jr. observed, is long. But it bends. It once bent to include slaves, women, children. It is now, slowly, painfully, bending toward the other creatures who share our planet and our breath.

On the surface, welfare has won significant victories. The European Union has banned battery cages for hens and gestation crates for sows. Dozens of countries have recognized animals as sentient beings in their civil codes. Major corporations, from McDonald’s to Unilever, have pledged to source only cage-free eggs or crate-free pork. The very phrase “humane slaughter” is now a marketing label.

The industry is terrified and intrigued. In 2023, the USDA approved the sale of cultivated chicken for the first time. It will take decades, if not generations, for these products to replace conventional meat. But for the first time, the abolitionist dream of a world without factory farms—without any farms, in the traditional sense—is technologically plausible.

The movement, articulated most forcefully by philosopher Tom Regan (who argued that animals are “subjects-of-a-life”) and legal scholar Steven Wise, calls welfare a halfway house to hypocrisy. “A larger cage is still a cage,” goes their mantra. Rights advocates argue that sentient beings—especially great apes, elephants, dolphins, and dogs—possess inherent value. To use them as property, no matter how kindly, is a form of tyranny. For the rights advocate, the sow’s crate is an atrocity; but so, too, is the free-range farm where the pig is eventually stunned, bled, and dismembered.