Final answer:
The author includes the quote to show that not everyone believes new regulations are needed for e-bikes.
Step-by-step explanation:
The answer to the question is a) Show that not everyone believes new regulations are needed. The author includes the quote to demonstrate that there are people like Legrande Crewse who believe that the e-bike category of vehicles does not require heavy regulations. This quote presents an alternative perspective, showing that there are differing opinions on the need for regulations. It helps to highlight the diversity of views on the topic of e-bike regulations.