And they enable you to learn something only if you can do something about it, ...
If you learn only from triumph then you learn less effectively than folk who can also learn from their frustrations. Much of what can be discovered about anything is the incidental data that accumulates during pursuit of single objectives, even when a venture turns bust.
Y'all ain't gettin' what I'm sayin' about the random graffiti.
Needlessly enabling a mouthy jack-in-the-box is presumptuous, typical of a bohemian persona that's associated with hackerz. No problemo, unless you aim to have desktop Linux embraced by blue-chip corporations and an antsy public worldwide.
An operating system amounts to a multipurpose framework. I might
use it for entertainment purposes, but an OS has no business peddling someone else's idea of amusement (or legitimacy) onto my desktop without my invite. What's next, digitized farts and belches as the default system sound effects?
It can be counterproductive to give the impression that inmates are running the asylum.
And tastes in gratuituous "fun" can be culture driven, so an international project should govern itself accordingly.