Then add the plastic pipe fishing boats that are so popular with the locals and the long, illegal nets catching fish right off the swimming beaches. Also, don't forget the beach fishing which is becoming a popular sport in Taiwan. So, you will probably not be alone at any beach. Give it time and they will. At Caesars' Beach the vendors have deliberately knocked down the huge Park sign that prohibits most of the things they and visitors do and have hidden it in the overgrown brush.
Nobody seems to care.