*Uncle has raised horses since he was 12*
*Has assisted his uncle in breaking 3 separate horses*
The system of carrot and stick works VERY well for breaking horses, its a tried and true method despite how the animal right nuts try to condemn it. You get the message into it's head that's property and most of them take it quite well, a few don't they need extra attention either in the form of equating good behavior with it getting fed or just getting it over the pain of having a strirrup and saddle on it.
Believe me dear friend, i know the process, there's good money in breeding, raising and breaking colts.
And i think having a semi sentient mount could come in hand if it got that the rider was the boss in the equation and not merely a passenger.
Because your uncle does it that way, doesn't mean it's a good way, or the right way, to do it. I know people who have horses, too, and they don't beat them to tame them. They actually use patience with the animals, and it's incredibly effective because the animal then learns that people are a good thing from a very young age. They want to please, they don't frighten as easily. Yes, they correct them if the animal isn't doing something they want right, but they don't beat them because that tends to make the animal frightened, and a frightened animal is always unpredictable. Same reason you shouldn't beat a dog.
Beating an animal, and correcting it with a quick light tug on the reins etc. are not the same thing. Beating is abusive, whether you do it to a horse, a dog, or a child. So do not down talk to me when you are condoning the abuse of animals. Abuse in any form is always wrong. Animals can't protect themselves against it, neither can children.
And halla do not appear to be semi-sentient; they appear to be actually sentient and sapient. Not partially. So while useful in combat situations, again, having a plot where you beat the snot out of one isn't my cup of tea. Go for it if you want to be evil, but the rest of us recognize that abusing animals is a bad thing to do. Even my most malicious characters wouldn't be puppy-kickers or horse-beaters. You might rely on that animal someday in a pinch, better to treat it well than to make it hate and fear you.