I care about Malaria but it does not directly affect me, so I do not prioritize it.
Climate change requires more than a single person and their funds, unless you are Bezos, Musk, or whoever. I know there are ways to contribute to it that are not monetary, but it is more complicated than this reductionist view.
I care about world hunger too, and I am against the waste of food, but what can I do if restaurants are even legally obliged to waste food? I do not buy anything from such restaurants, at least, and I try my best to not be wasteful.
Additionally, how much do SWEs earn per month? I do not earn much at all (for reasons not disclosed here), my money would not even be a drop in the bucket, but a small part of that drop. I personally could not donate $500 even if I wanted to, because that would put me pretty close to homelessness (not that anyone cares).