It matters little, if you add an walkthrough option. That way the people who doesn't care about the story can skip it without the fear of missing content.
A lot of times i skiped the story and end up in a endgame because I made a wrong choice without even knowing what is going on lol
(It can...
The problem is that most devs use "harem" as just the Mc fucking a lot of girls.
To be a real harem the Mc needs to be in a relationship with more than one woman, and all of them have to know and accept tha fact.
This "polygamy" tag would just reforce the comcept in a more especific way, to...