The mirrors on the 08-09 C14 were too low and have been improved upon since them. Most of us have found a sweet spot or added
mirrors to improve rear visibility.
There are better mirrors than those in the C14, but not many, and not by a huge margin. Most of them are worse. But it's a fact that the '08/09 models a third of them are covered by the bags (depending on setting) and the '10 onwards being a slight improvement, but not much. If Kawasaki made the mirrors with a cut-out to avoid the bags, we would probably not complain. Driving without bags is a pleasure for 2 reasons: I can see directly behind me (albeit adjusting the mirrors) and there's some weight high up that it's gone.
All that said, this is the bike I like the most for many reasons, and if the mirrors aren't perfect, I can adapt by looking over my shoulder, leaning my head or whatever it takes to keep a situational awareness, without which cars get tin damage, whereas motorcycle drivers die. I cannot adapt to a heavier bike, or with less power, or not as comfortable, or more expensive.