I agree that this is usually the case. What I disagree with is the notion that the terms have a different meaning when applied to video games versus literature. There is no precedent for a generally accepted distinction of "high fantasy = JRPG" and "low fantasy = WRPG".
These particular genre delineations in literature are a bit more rigid and do not have any similar context of "really high fantasy" including all sorts of fantastical creatures inspired by JRPGs vs. slightly more subdued or more realistic fantasy WRPGs.
In literature high fantasy means any fantasy story that is set in a fictional world that is not Earth. Low fantasy means a fantasy story set on a realistic Earth with some fantastical elements. These are clearly defined genres of literature that do not correlate to the common use of these terms in the gaming industry.
http://en.wikipedia.org/wiki/High_fantasy
http://en.wikipedia.org/wiki/Low_fantasy
On the contrary, in the vast majority of cases both JRPGs and WRPGs fall solidly into high fantasy, with the only difference being the degree.
I would certainly agree, from a literary perspective, as they are both set in fictional, fantastical worlds.
For purposes of deciphering the clues revealed in the Dutch magazine interview about the world of Skyrim, we can deduce that it will be a movement in the direction slightly towards the realism end of the spectrum, with more realistic, perhaps flawed characters and less bizarre art direction.