The endless dev cycle of porn games:
-Enthusiastic dev has nice idea and makes some progress, game has some first content
-People like it
-A few small updates come slowly
-People start getting suspicious
-Dev suddenly and for no reason scraps 90% of his progress, tries to redo everything
-People scream "not again"
-Dev disappears into the limbo forever
The only thing thats missing is the patreon account that still has 20k monthly income despite no updates at all or 1-2 minor bugfixes since months/years.