i used to think the same thing, before i created 20 different programs that weren't password doors
i think a good chunk (5 or 6) of them were overly complicated incinerators though, but i had some other stuff too:- turtle-based cobblestone factory
- simulated animated fireplace
- alarm clock
- pictionary
- a bunch of farms
- turtle bridges
- a rednet multiplayer shooter thing
- sort of like a password door, but involved pressing a button at correct intervals instead of entering a word, i'm not entirely sure if this counts though
- some random thing where a bunch of stars fell
- a game API
I mean in terms of programs that have an actual use, not just "oh look at my coding skills"
Cobblestone generators are easier to do without it
An alarm clock is more or less pointless since you wake up at morning anyway and it wouldn't be portable. If you're at home you won't need it.
Games and visual monitory stuff are pointless
Examples of actual useful applications + their feasability:
A fully self-tending farm system using turtles - far, far beyond 99% of users
A rednet messaging system on a server with range-limited chat - simple but requires said server in the first place
A turtle quarrying system that supports digging out an arbitrary shape - once again very complex
Moreover, coding is a goddamn pain if you're not playing singleplayer. Doing it in the terminal is a bitch, even in newer versions with full functionality. And if you are likely going to be unable to take that code online, why bother writing it?
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