>>545641280
In MCCC you can choose to populate your world with sims only from your library, but it requires a ton of them.
I've been slowly going through these creators:
https://enchantsims.tumblr.com/tagged/my%20sims - They have no cc, and are just tray files
https://www.patreon.com/7cupsbobatae
https://www.patreon.com/cw/youngcozyboy/posts
I do have an issue where babies will spawn as little demons though...