I think you are on to something.
I think something similar but less insane is behind radical Islamic terrorism or at least some of it.
Those with little hope and many grievances both real and imagined can be lead to suicidal violence.
If you incentivize those hopeless individuals the violence will increase.
You can goad them into suicidal violence as well. Some people know how to push their buttons.
I don’t know how many times I have intervened to stop pranks against the weak and vulnerable at work. In my book pranking can only target the mighty. Pranking the weak and vulnerable is bullying which can lead to suicide and not all of them will end their life alone.