It's important to remember that people have different kinks, and what one may find exciting may be repulsive to another and vice versa. Power Vacuum dabbles in a lot of subjects, from the recently mentioned ones like incest or bestiality, to gay/bi/trans sex, to cuckolding, etc. Regardless of your personal moral views on any of these, debating their relative level of deviance is probably a waste of time. Remember, someone else is probably disgusted by something you like, so let's allow people to enjoy what they will in a completely fictional way where no one (person or animal) is actually being harmed.