Think about X-risk in particular, just as a case point for your idea. Do you really think that in the entire, broad range of "all that relates to the important X-risks, there is nothing you can do?

For it not to be a worthwhile avenue for you to pursue, there need not be nothing you can do. If you have no comparative advantage over other willing candidates in the activities which you can do, you might as well leave it to them, and go do something where you have a comparative advantage.