Q. Is this really as harmful as you think?
A. Go to your parents house, your grandparents house etc and look at their Windows PC, look at the installed software in the past year, and try to use the device. Run some antivirus scans. There’s no way this implementation doesn’t end in tears — there’s a reason there’s a trillion dollar security industry, and that most problems revolve around malware and endpoints.
Eh, they could have written it differently, each time hypothesizing that someone might wonder XYZ, but I appreciate the brevity of this format. And I do not think that the questions or answers are unreasonable.