However, basic cleaning routines ARE something that Photographers would infer upon someone who owns a higher end camera and is willing to drop the credit card for it. It is a basic skill to owning a high end camera, or any camera for that matter.
Is it a basic skill to owning any camera?
Lots of people who own digital cameras will never clean it, maybe with the exception of the LCD on the back. Welcome to the age of the easily accessible digital SLR. I'm sure you'll soon learn that what you said regarding cleaning and maintenance isn't true.
These digital cameras are just used and thrown away after a few years, unlike with film. Most people don't care about upkeep of things they know they won't keep forever.