Re: Is this issue
Large subset, that.
Seriously, in what proportion of articles you've seen do the pics of the actual Pi have it obscured inside an opaque case? I can't think of a single one that has done that. They're invariably naked (I don't think I've even seen one in a transparent case), because that way you can see the thing the article is about. So if it's an article about the device itself, say a new model released, the photo is a close-up of the device, naked. If it's about people using them in schools, it's naked on a desk with colourful cables attached. Most journalists get that. Where you been getting your reportage?
As for the userbase, well (1) we are awfully easily led by the media ;) or you wouldn't have the several people in this thread owning transparent/translucent cases (including me), and (2) at least one transparent case has been promoted by the RPF, to whom some of us do listen...
No, seriously, I'll upvote your post if you can supply one link from a mainstream news source that supports it.