Sure, ok, so you have all of the ~8 acres for strictly attractions. No restaurants or shops. Because those would be "more or less nothing."
You know what I mean.
The LC area is outside of Hogsmeade. There's nothing Potter to put out there. Nothing that would affect crowd dispersal in any meaningful way. A full land based off of something people want to experience is going to do more for Potter crowd control than a random shop will