I think it's tragic, especially when teens do it. Teens have their whole lives ahead of them and they kill themselves over something that was most likely a very temporary problem, but when you're a teen it seems like the biggest problem in the world. People need to care more about suicide prevention, especially when it comes to teenagers. Bullied teens are especially one of the biggest risks for suicide.
Here's an interesting read:
https://www.psychologytoday.com/blog/fighting-fear/201506/some-reasons-why-people-kill-themselves