Sentence:  these developments in Gaza are a consequence of the state of siege that the tiny territory has been under – a society that has been fenced-in, starved, and seen its very fabric torn apart by unemployment and <WSD>wanton</WSD> military destruction. 
Meaning of the word marked with <WSD> tags:  Capricious, reckless of morality, justice etc.; acting without regard for the law or the well-being of others; gratuitous.