It doesn't *necessarily* apply here, but... DL without what you call "filler" isn't DL. A, B and C ticket rides make up the grand salad and add all kinds of variety and fun. They are not just filler. At all. Unless it's Dinoland.
Just because a family can traumatize their toddlers by taking them on the Battle Escape due to lack of height restrictions doesn't mean gentler, simpler experiences shouldn't be part of the mix. That Bantha ride that didn't make the cut would have been perfect. And NOS is a tiny, tiny land. SW Land is Ohio.