The software industry better start investing more in educating the general public/government officials about how web applications work, or this is only going to

The software industry better start investing more in educating the general public/government officials about how web applications work, or this is only going to get worse with technologies like WebAssembly in the hands of similar companies. If anything, people need to understand that these endpoints can be accessed without a browser, and we can't be arresting people/hauling them in for questioning for sending bad data to such an endpoint. After all, what does "bad data" even mean in such a context ? Also, a question: does the EU have the legal concept of "fair use" ? I would have thought that messing around with a web application would fall under fair use, given that the web application can, and probably will, be stored on a person's computer. A computer that they (also probably) personally own, I might add...