I like games because they help me disconnect from my problems and issues. It's good to simply let go of your worries and dedicate yourself to goals and worlds that you CAN control. That's why I enjoy ridiculously simple and cute games, I don't need a deep, complex plotline to get happy.
HOWEVER, I also happen to be a huge fan of storytelling and plots and I love following someone's journey towards a goal. I'm a reader, and I love videogames that are like a visual book, where we get to see a story unfold before our very eyes.
Gaming is entertainment that makes me happy, by being super simple or super complex, and it helps me disconnect from reality and for that I can't be thankful enough.