Can't we just improve
the lives of animals?
The simplest response is; lets stop killing them. That's the best improvement.
This excuse shows one of the big points about animal farming, that we also kill most animals at a fraction of their potential lives. Pigs is around 6 months, chickens for meat is around 6 weeks, if chickens are male then it's a couple of days. It's insane.
Also the majority of land animals in the UK are sent to gas chambers. Or the most common way to kill fish is suffocation or smashing them on the head. So even if we give them a hotel and luxury food first, we are still gassing them alive, or bashing them in the head to death. The focus is on the wrong point, not how comfy their short life is, but that we should stop killing them at all.
The notion of 'improvement' ignores the fundamental right to life these animals should have, like the rights we already grant to cats and dogs. The animals we eat in the Uk is very selective and arbitrary. Other countries eat cats and dogs, and most people here think that is cruel. But the truth is that it's speciesism to select some animals to eat. It's cruel to eat any, when we have plant options. An example is that we eat 'dolphin friendly' tuna, that is not friendly to tuna. Or protect the rhino, but roast the pigs. It's all weird and illogical violence and cruelty.
Let's make the best improvement, let's stop using and killing anyone.