Compared to other forms of art, the 'video game' is still in it's infancy.
I'd argue that some of them are HIGH ART ... while others are, as you said, disposable and forgotten easily. (Just like music, television, and film.)
It can be a great 'next step' in storytelling that's for sure.
They are great for keeping your brain active and sharpening your hand eye coordination.
But like anything else in life ... moderation is advised.