From the sound of things, Universal has been struggling to cast the houses as is. The fans need to remember that additional things like F&B tents require additional employees that are better served where they’re already working. And they’re not going to bring in new employees if they don’t think they’re necessary.
This is a really small operation/event/thing compared to everything else Universal does. You’re getting 2 houses and, based on rumors, some street performers focused on drawing people’s attention to the houses (so not even a “zone” in the traditional sense). If there is a massive crush of people on October 6th (first Tuesday), that fill up the VQ by 11 am, then Universal will likely start expanding. But until then, this very experimental and new. The fans REALLY need to check their expectations at the door.