You know what really bothers me about random townies?

I was reading about how to get rid of all the townies the game spawns and I found out that a lot of the randoms are spawned to fill specific roles in the community. Fine...that's fine. Most of those roles have a uniform anyway, so the most of the monstrous of the eyesores are somewhat contained. You know I get that, I get that some sims need to be spawned that have certain traits or skills. But it's like the game prioritizes them over sims that I have placed in the game. I just spent a few hours lovingly selecting a nice diversity of sims from the gallery to fill all of the empty houses and apartments in the game with so that my sim could meet these hand-selected families. Then when I take my sim out on the town only a few of the sims that I picked are in the venues. Most all of the visitors are the hideous game-spawns! Why, of why is it like this? Why does the game seemingly prioritize its own townies over ones that are placed by the player? Why does that sim the game generated to be the freaking pizza guy have to be at every freaking club my sim goes to, but those fifty beautiful girl sims I placed in the game for him to meet are no where to be found?! XD XD XD