Don't know all the details yet, but does seem suspicious that maybe there is a mental health issue too? Not a huge leap to think that said mental health issue might be related to a stressful time like perhaps being in the military.
A lot of people are upset about the happenings in Gaza. Self ignition is not so common a reaction just yet at least.
i don't get how it could not be about israel. are kids not taught what self-immolation is these days? I seem to remember learning about it in my 9th grade history classe