Sakamoto and his constant leg, boob shots and female fanservice. I'm absolutely sick of it. Sexism aside, it's self-indulgent and hijacking the work for his own amusement. For instance, I'm a big fan of post-war through '80s pulp horror. Imagine if I became a director and kept turning every movie I made into a Hammer Horror tribute, even when it was totally inappropriate to the piece or genre? No matter how talented I was and if I could shoot amazing battle scenes, people would rightly get fed up with it.
Inoue: Way too much soap-opera and angst. Even during his "good" days of Jetman et al, there was just too much of it. I think his recent writing of the spin-off Heisei Rider novels and including so much sex and random death is very telling. He had too much control of Kamen Rider for too long and I'm glad it is out of his hands now. I also hate the way he thinks that female characters exist to be love interests and women are completely irrational and will do anything in the name of "love"
Kobayashi: Also way too much drama and soap-opera stuff. She keeps re-using stock plots and characters and it feels very repetitive, yet people praise her for supposedly being so unique and creating these complex, layered characters when very often they are the same ones each time. And when she likes a character or ship, it's *really* obvious and overdone.
Nao Nagasawa: I don't dislike her. I just think it's ridiculous that Nanami (a poorly-written character who is no more special than HurricaneRed or Yellow) became one of the most legendary characters in the franchise on the strength of Nagasawa's looks; and that she keeps reappearing whenever Sakamoto wants a pair of legs in his latest project. It would be tiresome no matter what performer it was.