Most of these bullet points are for table games, which should be more-or-less sensibly layed out and easy to find.
All the "purposefully hard to navigate" bits of a casino are the slot machines, and an unbelievable amount of work goes into physically organizing the floor to manipulate people into playing certain machines over others.
Here, Apple's lumped all of the slot machines into just two bullet-points: "gambling.slotmachine" and "gambling.slotmachine.highlimit"
It depends a lot on what you’re after and where you are. I can pretty quickly find eg a craps table in any Vegas casino, but I once wandered around Wynn Macau for literally 20 minutes to find the one table in that entire building. Coulda really used a map.