Only D600 has the dust/oil issue or its regular about Nikon cameras?

I just used 4 "visible dust" swabs to clean the sensor of my d600.  still 4 or 5 spots visible at f16. only 1 faintly visible at f8.  not very good for shooting landscape with sky or waterfalls when i want big DOF, or longer shutter for silky water. i can't imagine what a newbie upgrading from p&s would think of his $2000 camera with these issues.  what's still funny (in an odd way) is posters with big numbers telling everyone to just "get on with your life". how hard would it be to acknowledge the issue?