Adult games add another layer to this, as the balance between the erotic content, the gameplay, and sometimes even the story is a very delicate one skewering that balance can result in a very lopsided experience that has the potential to leave you dissatisfied.
When it comes to video games, though, the balance between your average game and its various elements is extremely important. Sure, the same could be said of anything else in life, whether it's how you manage your downtime and luxuries, how a story is composed, or when you're fucking a clown on a unicycle balanced on a tightrope.
When it comes to video games, balance is a very important thing to bear in mind.