Guns, drugs, knifes, rope, exhaust, whatever. These always become the focus when a kid kills themselves. How about the circumstances that led to it? Suicide is still a problem is low gun ownership countries.
So yes access to guns is a problem.
https://www.hsph.harvard.edu/magazine/magazine_article/guns-...
https://en.m.wikipedia.org/wiki/Suicide_of_Amanda_Todd
https://en.m.wikipedia.org/wiki/Suicide_of_Tyler_Clementi
Teenagers don't need a gun to kill themselves. This is not the issue at hands here.
Yes. Access to and knowledge of firearms dramatically increases the lethality of suicide attempts.
But in this case, the kid was scammed for nudes and then blackmailed with them. Without easy access to guns, he could have survived the suicide attempt, but there's no guarantee.
The root cause has more to do with childhood, internet access, and maybe even parent-child relationships.
[1] https://en.wikipedia.org/wiki/Overview_of_gun_laws_by_nation...
[2] https://en.wikipedia.org/wiki/List_of_countries_by_suicide_r...