There are a great number of Western anime fans who are also right-wing - either out of an admiration for Japan (which they perceive as being superior due to "racial harmony" and the position of women in that society) or out of the idea that Western media is infected by "SJWs", and Japanese media isn't.

I don't know how many right-wing anime fans there are in Japan (who would be the audience for right-wing anime), though going from the most popular anime, it's not a large enough group of people for the industry to cater to their tastes.