he seems to follow the ideas of eurocommunism. it's essentially a reactionary ideology. he probably has some good ideas but western philosophers tend to get lost on small details and have an obsession with the "purity" of marxism. while some form of degrowth is beneficial for the emancipation of the working class i don't think it's a first class policy any serious communist party should have. we don't want less production, we want more efficient handling of the means of production. the current issue is not over production per se but bad allocation of resources for short term maximum profit generation. it's the most left leaning figure the current vassalized state of japan can offer.