It takes 6mo to understand the issues but you're right, no you don't need to understand this stuff. That's why you're hiring people. Trouble is, it's hard to know who to trust when hiring people. I had to learn the long hard way how to pick surgeons by learning the issues first hand. I can save you the trouble with a simple heuristic, one that applies to a lot of domains: find a guy who specializes in this stuff with a good reputation and just do what he says. One surgeon added "near a dental school".
I don't know where you live but there's good options in a lot of major cities. You want a person who only does jaw surgery and who operates several times a week. My city and a city nearby happen to have no such guy, hence the research. Speak to a few former patients, look at some pictures, and check with a few orthodontists and you're good to go. I know of good options in most major American cities, a few seem to be lacking. Outside the US, you likely need to travel to find that guy.
There are many people who just go with whichever orthodontist is nearby and whomever they recommend. And many of them come out just fine, it depends on the kind of problem you have. Some of them don't come out fine but don't realize that they're not, or at least won't realize it for a decade or two. I would say that your attitude about researching suggests that you are not prepared for the realities of a major surgery like this yet, that might be one reason for you to wait and research.