IT is an industry because it requires a very specialised skillset that is nonetheless needed pretty much everywhere. If you work in IT then a large part of your job is going to be being a prosthetic brain for the people you work for. If this is the kind of thing that annoys you then you shouldn’t go into IT, it’s like a maths teacher complaining that his students don’t already know calculus. Helping people who don’t know about computers is the whole point of your job.