At some point, extra incomes don't go to sate desires but to attempt to buy status through 'positional goods' - like the hottest car on the block. The problem is that there can only be one hottest car on the block.
You don't need to invade a place or install a new government to help bring about a positive change.
It is so much easier to try to help a six-month-old child or a six-year-old child than it is a 16-year-old troubled kid.
Technology companies must constantly weigh ethical decisions: Where should Facebook set its privacy defaults, and should it tolerate glimpses of nudity? Should Twitter close accounts that seem sympathetic to terrorists? How should Google handle sex and violence, or defamatory articles?
One death is a tragedy, and a million deaths are a statistic.
Anybody looking at the history even of the 20th century would not single out Islam as the bloodthirsty religion; it was Christian/Nazi/Communist Europe and Buddhist/Taoist/Hindu/atheist Asia that set records for mass slaughter.