Unlikely, as the quote about >230k misattributed people comes from the article itself. So even without taking into account that I generally expect more from the BBC, the author of this article seems to be at least aware of the fact.

Be it as it may, and even if that's an AI-generated article (which I don't think so), the point is that the article is reporting on the Japanese government:

    Japanese authorities have called the trend an "existential crisis" with Prime Minister Sanae Takichi describing the decline as a "quiet emergency".

And my hope that they have taken that past mistake into account seems to have some ground, given that the 100k total number that the current figures cite is by itself well below the then-figure of 230k misattributions.