Sure! Here is one way to write section II:

     There are many reasons people could be distracted while riding their bicycles. I will now discuss three such reasons, though this list is far from exhaustive.
     First, as cellphones become ubiquitous in day to day life, more people are spending more time on their phones. This means more people are listening to music, podcasts or YouTube videos while doing other tasks, as well as riding their bicycles. This could lead to not paying attention to hazards on the road or other vehicles and pedestrians. 
     Second, cyclists usually learn to ride bicycles at a very young age (between ages 3 and 7). This could lead to people taking their bicycle riding skills for granted as they've been riding most of their lives, and treat bicycle riding as second nature. This might make people complacent to the risks of bicycle riding in crowded streets.
     Thirdly, there are no license requirements for riding bicycles. Therefore, the last time most bicycle riders have been taught about the risks and best practices for bicycle riding was many years ago. As there are no regulations around bicycle ownership, there is no impetus for riders to refresh bicycle safety knowledge.
     These are three reasons for the lack of awareness on the part of bicycle riders. 

Hope this helps! Let me know if there's anything else I can help with.
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