I understand it's unethical and can be a turn off to certain people including me, but Chiari is probaby trying to appeal to various group of supporters. In Japanese comments you can see there's a certain market for these type of stuff, maybe including Chiari himself.
For me, I love violent content and certain nasty scenes, there's a few of us out there but not the majority but we still pay and I guess Chiari takes turns appealing to each market. Half of the game itself is already unethical and I'm not complaining, whatever gets ppl off and earn Chiari some bucks. The game's a mixing pot of various kinks.
That said, I'll be skipping this month's update coz it's not for me.