I am fundamentally opposed to all of this nonsense, but I don't think maceration would cause any pain - it's pretty fast.

This feels like a distraction from the real suffering we see in industrial farming. While the culling of male chicks gets a lot of attention because they're babies and that triggers an emotional response, there are much bigger issues in terms of actual suffering endured - like the prolonged confinement of laying hens and other factory farming practices.

The new embryo identification technology is an improvement, but I'm concerned that framing it as a 'humane solution' will just serve as moral licensing for consumers to feel better about continuing to support an inherently unethical system.