Absolutely not. None of these professionals are ever working on superfluous projects of unknown worth to the society. In fact, their worth to the society is immediate and totally tangible: you couldn’t eat without the farmer’s work, you wouldn’t have a house without the banker, and you would be dumb without the teacher.

However for most software projects, you would have a hard time to define their positive contribution to the society. Not saying useful and positive software doesn’t exists : there are plenty of those. But they are a visible minority in a sea of unknown, buggy, driven by bankable MVPs rather than useful and well crafted user centered software.