There have been plenty of uproar about the crisis in Yemen, but ultimately the US didn't budge from their support of Saudi Arabia, and then.. what more is there to do?
It's hard to build up momentum for a movement without the media on your side, and now Israel Palestine is in the news a lot, so that takes the focus. I sure would love to give more aid to stop bloodshed, poverty, and other crises everywhere.
You can vote, you can voice your opinions, you can send messages to politicians in your jurisdiction, you can join protests. These will lead to change if sufficient numbers also perform these things.
If you ignore it, then yeah, nothing will happen. But even just being aware of it, and brining it to others' attention, which may influence stuff like their vote, etc.. helps.