Could make it disable-able only from the terminal in recovery mode. That one would be too hard / bothersome to fend off most cases I feel like
Never underestimate the ingenuity of a motivated fool.
My litmus test for this sort of thing is Excel - I think we all can agree that Excel is used for way more than it should be, and the most complicated, unhinged uses of it are done by non-technical folks looking to get a task done through desperation.
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Did you know that Facebook actually has a message styled with color and different font sizes that pops up in the browser console when you open the inspector for Facebook.com with instruction not to paste things you're told to paste there, with a link to https://www.facebook.com/selfxss for more information?
No, it would just become something you ask your tech-savvy nephew to fix for you. Windows is (or used to be) full of things like this.