Combine that with how their quasi-theocratic dictatorial leaders keep them amped up with hatred for all non-Islamic things while purposely keeping the bulk of aid for their elite...not unlike how the worst rednecks purposely abuse pitbulls to cultivate viciousness.
And we all know the merciful thing to do for a mad dog is to put it down.
The ‘victim’ should appreciate being in the presence of someone else eating.
That gives him a temptation to resist, making his fasting more sacrificial.