And both of these amounts seem to not be enough based on the resulting state of the world.

As others in the thread mention, these are problems of political economy that no person or mega corp or even nation state can solve.

So, continuing to also work on other things is both rational and morally sound.

Progress in one area unlocks new possibilities in other areas. E.g. abundant near-free energy would make eliminating poverty a more tractable political problem than it has proven to be.

Given that world GDP is only $100T, it's impossible to spend significantly more. (where significant is defined as an order of magnitude).

> seem to not be enough

This is an impossible way to get to a useful conclusion. Provide stats if you're going to make a claim like "the world is bad"