That would explain how the statue came to be, but I still have to ask, why there?
The Korean community in Glendale would have made a much more impactful statement by sponsoring a campaign to erect that statue in a place that's related to the atrocity.
You might want to look at the comments that are with the original article.
The tasteful, gentle looking, non-confrontational statue in Glendale CA is getting all kinds of indignant, wrathful letters from Japan.
So it would seem that it IS having an impact, even though it is far away from the eyes of japan.