Because what people want is often very, very stupid. And also because the difference between “you” and a malicious app acting like you is non-existent. If you can easily change vital files, so can any drive-by app you accidentally run.

I think the truth is that it assuming it’s the latter may not be enough. But the first two are even less likely. Additional responsibilities WITHOUT a raise is very, very unlikely to be what anyone was waiting for to stick around.