What is that line that specifically demands that it is not murder? Is it the fact that an insect is an arthropod and thus much more distantly related to us than an elephant or dolphin which are closely related? There is more depth to the animal world than we want to ever admit because it makes us ask uncomfortable questions about ourselves. We can notice a difference in personalities in spiders and we've noted that jumping spiders can dream. We humans demand that the natural world bend to our will with the consequences be damned and without a shred of respect to all of the other creatures and living beings that are fundamental to even creating a habitable space for us. Things die, the natural world is cruel but we should try to minimize our impact on the amount of cruelty in the world.

There is no clean line. What's the difference between a cat and a pig beyond culture stating one is food and the other is a pet? Why does there need to be a specific level of sentience for a life to be valued? When we're talking about the systemic destruction of an entire species due to human avarice, is that not murder as well? Is that not actually worse than murder? We're destroying countless lives and destroying the planet but when someone tells you that maybe killing animals for food is just not sustainable and that we should value the lives of the creatures around us, people get absurdly worked up and aggressive defending their right to destroy the lives of countless creatures across the world.