In a Japan, a man set himself on fire to protest a change in policy allowing Japan to fight overseas, which goes against the constitution which bars the country from using force in conflicts except for self-defence. It follows another self-immolation in June, in an apparently similar protest.
Suicide is not an easy option. It demands the greatest courage because you do not want to die, but you want to kill even less and you want to show the world that violence is wrong.
Many people have self-immolated in Tibet over the past few years to protest the authoritarian regime which steals property and livelihoods, incarcerates innocents and encourages rape and violence. Few people hear of this and no nation cares to influence its cessation. They are more likely to pursue violence and belligerence themselves.