But people also learn from their mistakes which in the end would help them from preventing even worse mistakes. On the other hand, how about the people that are aiming to make their selfies prevalent. Those who are trying to get famous will have less luck. 1 million selfies are taken each day, and you're trying to remove that from the users who take delight in showing others what they took a pic of.
Extend my last argument. my opponent makes the point that selfie endangers somebody's life, but I would make the case it also may save them. If for example, you're somewhere without a doctor, and you have a doctor on snapchat while at the same time you feel like you have something wrong with you, a picture may describe whatever has happened better than words to doctor, in which the doctor may save your life. But if you want something with more evidence, selfie sticks are somewhat common things for people who constantly take selfies. If you prohibit selfies, selfie sticks would be in great decline. And the link I provide is a story of a girl who had a selfie stick, and used it to save her life.
What my opponent is striving for is to remove a way millions of people communicate today. Some things are said better in pictures than words. People send selfies to connect with others on a more personal level. Someone may have just dyed their hair and wants to show them how beautiful it is, think about how much of a hassle would it be to create the beauty through words or something else, but due to lack of writing skills, it just ends up unsatisfactory.