|It's so much more fun to just rip around every run, be it moguls, cruisers, steeps, powder runs or chutes without trying to think about what you are going to need to do with your movements and edges to survive the run.
Everyone's take on this is going to be a little bit different.
I think almost everyone wants skiing to be "fun" and not "work" (in some sense). At very high levels in sports, getting to a point where you don't have to think about mechanics and technique is often a major goal. But it's hard to get there without spending a lot of time doing just that up front.
To me, it's not fun to be just "surviving" runs. I can certainly pick and sideslip my way down just about anything that doesn't involve cliffs, but I wouldn't call it a fun experience. If I want to be able to ski comfortably on more terrain than I currently can, or in more difficult conditions, I need to work at improving my skills. Or I could only ski on terrain where I can "rip", but right now that would be pretty limiting IMO. If I could "rip" on challenging double-blacks without thinking about it, it might be a different story.
It's not necessarily "fun" to do drills and focused practice to improve my skiing, but I also don't spend all my time doing that. In the end, it's rewarding when I do feel like I'm actually getting better, and I'm able to ski runs that gave me serious technical problems and/or scared the crap out of me at some earlier point.
From experience with other athletic endeavors, I also know how painfully frustrating it can be if you're working really hard but feel like you're not getting anywhere. "Plateau" sounds a lot nicer than "smashing your head against a brick wall for six months". That sort of experience can easily lead to burnout, or giving up on really trying to improve. Good coaching helps. Patience helps, but can be hard to find when you really need it.
If you're totally happy with how you ski, and you're not interested in skiing on more difficult terrain than what you're comfortable on now, then it doesn't make sense for you to put effort into getting better. I'm not, and I'm not sure when I will be. Maybe a bit of a character flaw. It doesn't mean that I don't have fun skiing, or relax and take it easy sometimes -- just that I'm unlikely to get complacent and stop trying to improve for very long.
The point about "wrong" or "bad" or "inefficient" skiing is instructive. It's all relative. Even if you can qualitatively say that technique X is more mechanically efficient or effective than technique Y, someone that is perfectly happy with technique Y and doesn't feel limited by it is not doing anything "wrong".