She doesn’t know what that is. She won’t remember what I said 5 minutes after I leave. She will blindly follow the instructions of any official-looking website or any scam caller that instructs her to disable these protections in order to “watch a video” (actually sideload an executable).
> Apple is the master of UX; surely they can figure out a way to keep things secure for users who need it to be?
She got around all of the modern permissions and signing protections on macOS and installed a malicious phony video player that nuked her device and stole her banking credentials. It doesn’t matter what you tell her: she WILL get tricked unless it’s impossible to be tricked.
You probably shouldn't let her use the internet unsupervised, if this is true.
If not more.
If we're just telling people to do things then why not just tell app developers to publish through the App Store.