Usually because the shooters were 'bullied' a lot + depression.
They saw how on TV, the Vtech guy (forget his name), instead of being made out to be a nut (which he was), he was made out to be this trouble boy and that the bullies, who probably shoved him against the wall and made jokes about his mother at worst, were the bad guys and the villians. Everyone sympathized with the nut. The future shooters get the mindset that that's what'll happen to them to when they're gone.
Yeah, probably, the media needs to handle these things better.
Your example is shown in this article.
The article says
"True, someone who is severely disturbed might want to better Cho’s “record” — but that does not mean that if his video were kept off the airwaves that person would not find other provocation. If only.".
Of course "some" may find other provocation to do things like mass suicides, but that doesn't mean that if they didn't show the footage or if someone didn't write an article like that, it wouldn't have reduced the amount of "potential" copycat suicides like that, because if they didn't post articles like that or show videos like that, it would reduce it
(at least, according to scientific research and evidence).
Why post articles like that? Why show demented ramblings? What if a person decided to send a very bad video to some news station, they'd decide
"well, lets post it on TV so everyone can find this very education and informative".
(BTW, I actually had something for bad but I decided it's not best to post what my example was since it might be a little "over the top" example).
It's a really silly argument for people
(like the poster of the article and the comments in the article) to say things like
"the public needs to see videos like that, because we're the news, we have to post it". And also look at the comments of the article.
"Well, if they don't post videos like that, then people will live in ignorance.
My response: No, people do not need to see videos like that. Should people be informed of the mass shooting? Yes. Should people be informed of the specific details on why he did it and how he did it, and what's his strategy on suceeding with his plan? No.
There's already a significant scientific evidence that supports "copycat suicides". We don't need to spread it out by posting unneeded things like that or putting the shooter in a good light.
Copycat suicides on wikipedia.
Also, they(media) are not doing a good job by showing the shooter with a gun, pointing at a camera "looking cool".
They seriously need to replace that picture.