Internet (degraded social standards) and humans will be humans (the rest).
As for the game, there is no way to control how someone use or consume a product (short of force) and if you strip Holiday Island down to its base components, what do you have, a ton of images (stills or animated), text and code.
This being an internet pirate porn forum, should we feel surprised, with humans running from A to Z that for some the unit of consumption is the image, and not the game?
If you could not care less about who a girl is (all the text and code that makes the game) then the image and instant gratification is all that there is, and the game only becomes relevant as an image or animation player catering to whatever need the poster has.
There is nothing to really understand as such, it is what the 12lb trout is for, and make sure to swing all the way through