FX1, as several above have said it's relatively easy to dodge a HO once you know how, then the HO becomes a moot point. Many people who try to dodge the HO start far too late. It's best to start manouvering at atleast 2k out. You give them a low % shot, you gain the angle. Unless a plane is under say 160mph a HO can be avoided.
I only ever go for the HO/front quarter shot if the other guy can't get his guns on me. This includes if he is trying to avoid it. It sounds harsh, but if a guy is going to give me an easy shot with no risk to myself i'll take it. If it looks like he's gonna attempt to HO me i'll dodge it.