I really don't think any of the wonder has been lost, some people have fun going over the technical aspects, other's don't. I believe that your average KSP player won't go full on RO and that all the technicality you see on the forums, is a disproportionate misrepresentation of everyone that plays the game, and I don't mean that as an insult in any way, people have different ways of playing the game. I happen to enjoy the game to be technical on it's underbelly, underneath the hood rather than me manage a plethora of technical aspects on the surface. I'm personally very satisfied with the state of KSP, though I do wish that there was perhaps a larger emphasis on exploration, going to different planets just feels bland and honestly have become an afterthought. Sure, it's a grand accomplishment the first time, but I'd rather have focused, interesting planets than more.