I didn't want to get into functionality, as I know MC make claims that are generally not accepted re clearance. But I believe you have hi lines, so I can see why your view is informed by the functional element. That said, personally I still don't see why the Overlines fit less with a TJ's lines than a number of other flat fenders - but then I am kind of putting words in your mouth as you have not said you like any oyher non-hi lines.
It's right there in the name Arched and Overline. The shape and the placement of the flares are entirely different than any other aftermarket replacement fender.
Here's a ridiculous exaggeration to illustrate...