I wonder if we'll ever be able to solve the animal cruelty problem through brute force technology. For example, genetically engineer chickens so they simply never grow a brain. Raise the brainless bodies hooked up to an intravenous feeding system. Could cram more of them in a smaller space that way too. Can't be cruel to a thing that isn't conscious in the first place. Sort of a poor man's lab-grown-meat approach.
Amusingly, most people would probably find this a lot more horrifying than factory farms, even though objectively the animals would experience absolutely no suffering whatsoever, as they wouldn't even have the minds to comprehend anything about themselves or their environment.