Historian and strategist Henry Spira demonstrated this in the 1970s. A staunch animal rights advocate, Spira used welfare reforms to break the back of the cosmetics testing industry. He didn't ask Revlon to stop testing; he asked them to fund research into alternative tests. Once the alternatives existed, the welfare argument justified banning the old tests. Eventually, the EU banned cosmetic testing entirely—near-abolition achieved via welfare-friendly wedge issues.
A growing legal movement seeks to grant certain animals—particularly highly intelligent ones like great apes, elephants, and dolphins—"legal personhood." This wouldn't make them humans, but it would grant them the legal right to bodily liberty, allowing advocates to sue for their release from captivity. The Path Forward Historian and strategist Henry Spira demonstrated this in