Just keep in mind that installing an app via the respective app stores (just install, not custom settings) is often the limit of what people can, and are willing to do.
People just simply don’t have the time, willpower and/or knowledge to get a controlled LAN working. It’s similar to how you don’t expect everyone being able to fly a helicopter, or build a car from scratch.
I missed that part xD
Just with the rant thought of the root of this problem, and that is the general populace and how they use it xD