The world does not consist of all rational actors, and this opens the door to all kinds of exploitation. The attacks today are very sophisticated, and I don't trust my 80-yr old dad to be able to detect them, nor many of my non-tech-savvy friends.
> any more than it would be acceptable for a bank to tell an alcoholic "we aren't going to let you withdraw your money because we know you're just spending it at the liquor store".
This is a false equivalence.