Because only I(and a few others) can understand the drawbacks.
The benefits of a genetic mutation, I'm able to just turn down the sound of the outside world.
I can sit here in a restaurant and be listening to Alan Watts.
And sometimes I simply don't hear what people say, and even this can be a benefit, depending on who's speaking.
If I am to sometimes exist in my own world, at least I can arrange a soundtrack.