If I dig a large hole today in my garden and fill up tomorrow, then does this work have value just because of the time I invested in it? Not at all. (By the wa

If I dig a large hole today in my garden and fill up tomorrow, then does this work have value just because of the time I invested in it? Not at all. (By the way, us tech people are in a lucky situation exactly because you are not right: we don't work very hard compared to many factory workers in the world but still get very high salaries.)