What about listening to the radio, talking to a passenger, or just zoning out and daydreaming?
These can all be just as dangerous as using a phone while driving.
These can all be just as dangerous as using a phone while driving.
But the larger answer is perhaps that if you are driving poorly you can be ticketed regardless of the underlying reason.
I do realize that the reasons for it are often quite complicated, I don't mean to be dismissive. Such levels of fatigue are something society should be taking a closer look at.