IT is actually a vast field with many many specialties similar to medicine. Asking the copier guy why your server is down is kinda like asking a podiatrist why you’re sad all the time.
That I will ignore 30 years of accumulated knowledge and experience - and all the relevant laws - just because they really really really want me to build something their way, and that they tell me it’ll be fine. If an experienced professional says “no” there is a good reason for that… we’re not just being obstinate.
Not so much a professional field as a field of human experience, but being homeless.
People think the main things homeless people lack are:
food and drink
shelter
money
In actuality, most homeless people have at least some of that stuff. What they tend to totally lack, creating the difficulty in living a civilized life of dignity, are: