On whether or not it is proper to class Koizumi Jun'ichirō among "the revisionists."
No, though there are similarities.
Koizumi Jun'ichiro was the enemy of the current crop of politicians.
The revisionists are the enemies of the current crop of citizens.
Both have found their enemies to be inadequate, and have sought to replace them with a better class of human being.
Not multicultural, but a more diverse Japan?
4 hours ago