I do totally agree with the fact if they are NOT going to ever do something that's been asked for by the fans since the beginning of TS4 (babies, generations, farming, werewolves, fairies, bunk beds, spiral stairs, CAW, schools, open world, CASt, color wheel, cars, etc), then just come out and say that. Will there be people throwing temper tantrums because of it? You betcha! But, will there be less moaning and groaning when a pack comes out that is NOT what they've been wanting? Yes, I believe there would be.
You know years ago, way before we had digital downloads only, when you would buy a physical CD copy of the game, inside that box was an advertisement for the next upcoming pack. I'm pretty sure they didn't have actual release dates, but it was always so nice to "know" what was coming out next.