Within the hacker community there's always been a certain amount of disdain for 'script kiddies' — people who don't really understand the systems they attack but use off-the-shelf tools.
Using contemporary literary evidence, shipping lists, and customs records, Cressy finds that most adult immigrants were skilled in farming or crafts, were literate, and were organized in families.
I never expected to hear the 'D' word applied to my lifetime, although my mother, who was a small child during the Great Depression, habitually recycles buttons and sometimes even zippers.
Thinking of time as a resource to be maximized means you approach it instrumentally, judging any given moment as well spent only in so far as it advances progress toward some goal.