If I lose the key, sure, getting inside the house will be more difficult, isn’t that the entire point? Still, I don’t understand the relevance of the analogy. I

If I lose the key, sure, getting inside the house will be more difficult, isn’t that the entire point? Still, I don’t understand the relevance of the analogy. I have access to the entire system and can pretty much tweak things as I want. I also happen to prefer the default macOS security model with the sealed system volume. Where exactly is control taken away from me?