I have been to a few amusement parks and I never once saw one that had restaurants, bowling alleys and arcades all over the place. Usually just small food and drink stalls and few bathrooms in key areas.
Maybe I should have said "world class theme park" like Disney World... which Jurassic World is clearly trying to emulate. I've been to all four parks and that place has restaurants, food stands, kiosks, souvenir shops and yes, standalone restrooms everywhere... no bowling alley... it did have an arcade though... in Tomorrowland I think. Then again, my local zoo has a restaurant, a food court, multiple shops and kiosks and plenty of bathrooms... and the nearest theme park has restaurants, food stands, kiosks and souvenir shops... and also restrooms everywhere... so... maybe you need to expand your horizon a little?
You are acting like these are businesses outside of the park. That isn't the case. They are businesses inside the park in this game. Of course the guests would be allowed to stop in and use the bathroom. Some businesses won't let you use the bathroom in real life without being a customer. But a lot still do because people who stop in to use the bathroom buy things occasionally. You can literally stop at any McDonalds or any other fast food place in the US to use their bathrooms. Why? Cause you might buy something even if it's just a drink.
This isn't a common fast-food joint on the side of the highway where you're just passing through and there's always another around the corner, it's a theme park, one that caters to thousands of guests daily in an area cut off from the rest of the world. Worst case scenario, you're gonna have lines forming to use the bathroom, and the last thing a shop or restaurant needs is a crowd waiting for the toilet getting in the way of paying customers. By building bathrooms separately you make things more efficient and easier for everyone, allowing guests to focus what time they have in the day on what they want to do.
In this game guests are already in the park, a park they paid to get into so they are already customers.
Yes, they paid to get into the park... but not the shops and the restaurants... they have to pay to use those, only becoming customers specific to the restaurants and shops when making purchases separate from the admission price...
Never said there wasn't any issues with the game design.
And I never said you said that... didn't say that? ...what I'm saying is, instead of complaining about what makes sense (adding public restrooms to a theme park), focus your negativity on the stuff that doesn't make sense (illogical simulated human AI)...
Judging from that image and the overall size of the viewing gallery (does that say there's a restaurant in there?) the restroom in question is probably a single-stall unisex bathroom... good luck managing an entire park's bathroom needs with that...