Hamas sanctions

Palestinian Prime Minister Ismail Haniyeh said Friday that the suspension of Western aid to the cash-strapped Palestinian Authority would neither bring down his Hamas-led government nor break his people.

Why do people keep trying this?
It hasn't worked against Cuba, despite the fact that a) Cuba's an island, b) It's right beside the main blockading power, and c) it's been kept up for over a generation.

It has been said that insanity is trying the same thing and expecting different results.