[AuthorizedCust]

> This leads me now to wonder whether it's not a bit selfish to decide to mess with an animal's hormones to get them to conform to an unnatural environment.

Do dogs even have a natural environment? Dogs are separated from any natural source by many thousands of years, and done in a way to make them easy for them to be owned by humans.

[Kalium]

At this juncture? I would say a dog's natural environment is among humans.

[YarickR2]

Working/hunting dogs in rural areas (huskies, laikas) are very much in a natural environment, and no hunter in Siberia is going to neuter them.