For a game like yours or Fenoxo's (drawn, and with limited art) - no it wouldn't. For most games, it would be a nightmare. I've got around 8,500 images in mine, and at least 5000 of those have pubes somewhere in the scene. If I'd put this in at the start, I'd be at least 2 months behind where I am now... and would have enjoyed making the game a lot less!
Yes. I have a mix of shaved and wispy to richly be-pubed... players can pick which girls or guys they go with. As long as choice is added, customisation is unneccesary. It would be mad to toggle pubic hair in a story-driven game, unless Pube Control was the MC's extremely weird and specific superpower