![](/static/253f0d9b/assets/icons/icon-96x96.png)
![](https://beehaw.org/pictrs/image/7a17afb3-71f4-4ef1-a5ce-d2975ba46c88.png)
Yeah, security is in layers and userland isn’t automatically “safe”, if that’s what you’re pointing out. So I did mention non-superusers. Separating the kernel from userland applications is also critically important to (try to) prevent non-superusers from accessing APIs and devices which only superusers (or those in particular groups) are able to reach.
This is going to be an effective way to tank the Google/Yelp review score of your restaurant. And pay toilets are also stupid in Europe, I say that as a European.