Nope, harmony is exactly the right word. Again, you're being highly reductionist in your reasoning. While we greatly prefer certain features, how they look together is deeply important. I think his jaw looks fantastic after, but the relationship between these features is off balance now. Having close set eyes is not preferred, but there are plenty of people who still look good with these features. His nose is way too wide given his inner-canthal distance now and the curve of his face (from eye position to chin) appears distorted. You can't just mix and match 'ideal' features from different people and expect a good outcome. It is inherently true to me that harmonious/mediocre features are generally preferable to this - otherwise our brains continually flag this as 'not right'/uncanny valley.
I'll conclude this idea by saying that we live in a time where asking for perfection isn't reasonable though, and I'm sure this guy gets by just fine.
EDIT: I attached a quick visualization of what I'm talking about - the left picture is now a quick paintover I did to show a more conservative and much better/more harmonious result in my opinion. Obviously, I grabbed his hair from his after since that looks far better than before.
His nose base is wider which would be the case with L1 advancement and widening the maxilla which I think he got via multi-segment L1. I think Gunson also said (on where he show cased the patient) that the cheek area still had some swelling which goes down at a LATER time (than the photo was taken).
So, ya, you can make a morph showing a better aesthetic. But since we can assume he NEEDED the multi-segment lefort that both advanced and made WIDER the palate which, in turn makes wider the base of nose, that's just kind of an example of what I discussed in my prior post which is wanting to see something that the surgery DOES NOT DO. A multi segment L1 that both advances the maxilla AND makes area WIDER which he needed for the apnea and the bite is NOT going to keep his nose base as it was prior.
There is a certain 'PRACTICALITY' involved in maxfax such as correcting stuff like apnea and bite issues or other dysfunction issues. Then comes optimizing aesthetics with what HAS TO BE DONE to correct a dysfunction. It's not all about kicking up a result that would look better to one's eye in situations where addressing the dysfunction--and here where the person has the close set eyes--takes precedence.
In this case, IMO, this guy would look better to most people (and some of that could come from just feeling better from being able to sleep or having functional bite). Although your morph looks nice and you could say it looks more 'harmonious', in no way, would I personally judge his outcome negatively because it didn't come out like that. Some of these surgeries can't be expected to come out in accordance to what we would LIKE to see or what we think is more 'harmonious'especially when the aim of the surgery is to fix a significant dysfunction.
One COULD say, his cheek and jawline area are closer to what a male model has. Yet, UNLIKE some other guys who DO pursue surgery to have PARTS that a MM has, I have no reason to think this was this guy's motivation. So at most (at least?), I think this illustrates some of what you're saying (albeit from a strictly aesthetic only perspective) which is getting some PARTS, some 'ideal' parts can't be counted on to totally blend or harmonize with all the other parts of their face if other parts of face CAN'T also be made 'ideal'.