That is *way* too broad a brush to be painting with. I work in IT, and it hasn't been my job to help anyone in several years. It's like telling a neurologist to fix your foot because he's a doctor. Different areas.
No, but by helping them learn what’s screwing up the computer and how not to do it can make your job far easier.
That’s like the doctor telling you how not to break your foot so it doesn’t happen again.