Ideologues on a mission to evangelize.

I would also like to see a different government in Israel.

No. The way aid gets distributed needs to change. UNRWA is part of the problem and need reform at least.

Hamas and other extremist organizations should be removed from power. Gazans also need a political perspective towards a good and prosperous life, trade and free travel.

The aid sent to Gaza isn’t just food and water. It includes construction materials, machinery, all kinds of equipment, and simply money to pay salaries and buy whatever.

Cement and steel to build houses was regularly used to build tunnels for military purposes instead. Water pipes were used to build rockets and so on.

It’s not a short book as OP requested. However the episodic nature fits his requirements. The genre is comedic fantasy.

Hermann Hesse’s Steppenwolf is a short book about the adventures of an alienated young man in a big city. Hesse also wrote a really good novella about Buddha titled Siddharta.

Ray Bradbury’s Mars Chronicles is a collection of short stories around the settlement of Mars.

Hamas has been siphoning money and materials from the aid provided to Gaza for decades. Palestinians receive tons of aid, mainly from western countries.

Combatants tend to violently fight back, when you try to round them up. They also tend to hide among civilians in case of terrorist militia like Hezbollah.