Also, is "Food" job worth it at all? It seems like NPCs add a single point of food to the food box once in a while, while doing this job.
Whouldn't it be more profitable to put them to "Farming" job?
"Food" job is basically scavenging for food. It is not a particularly good way to obtain food IRL, and the game reflects this.
But the good thing is, it is fully automated.
NPCs aren't going to cook the crops or meat for you, so with all the alternative methods, you'll need to put in some work yourself.
And if you're going to work like that, you might as well put a bunch of chicken coops and traps, and bypass the need for NPCs.
It is also not clear how much crops a single NPC farmer can tend to.
Of course, since you're the only one who eats (everybody else needs food only to recover hitpoints), you can put food production on the backburner, and use NPCs for more important tasks, such as digging for iron.
What stage is the game at? I see it's 0.003 however there seems to be a lot of discussion about the content. Is it rounded enough to start playing or is it more of a "tech demo".
The game existed for quite some time, probably years. The low version numbers are for Steam release.