License to fish? License to… RIDE A BIKE? License to… HAVE A DOG/CAT? License to USE A RADIO? (I’m talking about GMRS, AFIAK emergency services do not use GMRS frequencies)
Why is everything a license?
What next? License to exist?
Someday they are gonna require a license to get your own water, or filter your own air (due to pollution).
Where do you need a licence to ride a bike?
The fish license is to control fish population and prevent overfishing as well as funding the wildlife and parks departments.