Living in Latin America gives an interesting perspective.
I live in a meat-eating society. I probably eat less meat than my neighbors do. There are very few vegans here, although there are some vegetarians.
Here, butchering chickens is a woman's job, and it's something that is familiar and common. Some women learn how to do it really early. A nearly-15-year-old neighbor girl already processes chickens to feed her family. (Men usually butcher much larger animals like cattle).
I've seen a woman butchering chickens right in the middle of a busy market. She and the chickens were amazingly quiet while doing it. She had lots of practice!
When I need to butcher a chicken, the chicken often goes principally to feed someone else. I also have sold several culls to the neighbors in the full knowledge that they will be the guest at someone's dinner table.
The widespread lack of squeamishness toward butchering chickens here makes things like selective breeding easier, and it also makes it possible to hatch plenty of chicks and not worry too much about cockerel hatch.
We were doing a construction project last month when Orange Fellow started mounting the hens. He had to go! (although I did like the feather feet).
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The old-timers in the 1910s-20s who improved dual-purpose breeds like Barred Plymouth Rocks and who trap-nested Anconas and Leghorns for egg production weren't squeamish about eating chickens that weren't producing. If a hen didn't show up enough times over a few months in a trap nest with her egg....she was history. The producers had to tend to the trap nests almost constantly to let the hens out and record data.
Long story short - the ability to process one's own chickens lets a lot more chickens have the opportunity to live normal chicken lives and hatch chicks here than if there were restrictions or unwillingness to sometimes process a chicken. I can let my hens go broody and not worry too much about how many cockerels there will be.