Honest question: how much of our work is not absolutely necessary?

It's easy to write a piece of software once and share it with everybody.

The product you are working on - what unique value is giving to humanity?

(I mean beyond "it pays the bills" and "it uses $popular_thing_of_the_year")

I believe we reached a level of productivity where - in rich countries - we are all keeping each other busy with loads of unnecessary work.