I don't think the observation that there might not be enough lesbian scenes with the actors used to make the characters for the game is an excuse, it just might be a material reality of the situation.You said it, it would be a lot of work to add the Vids and story dialog and extra romance options, etc; But that is why you as a Developer of a very good game so far, Utilize Creative Support websites like Patreon and SubscribeStar to channel financial pledges from fans and supporters of the game. There are Six Playable Characters, and even if you use Mods, the Moded character will simply replace one of the Original Playable Characters because it has to use the same Slot; you will always have 6 Playable MCs.
What you suggest is that you and your development team do not Want to put in the time it would take to make X-Change Life a much better game. The game is not even complete yet.
By the way "New Loader Update" does not work properly, so stick to the Older version for now.
*I think that your excuse is lame.