Serving my fellow man has always been a major source of personal meaning for me. I guess that makes me a do-gooder. From late childhood I had already committed myself to giving 10% of my income after taxes, but at a certain point I realized point that actually money is probably one of the greatest things I had to offer was money (and probably the greatest thing I have to offer strangers). I have the luck and privilege of having more money to offer than most, and its decreasing marginal utility means I can help others without making a big sacrifice myself.
I still donate blood, and might donate a kidney someday, but I suspect that when I look back on my life I'll count my cash donations among my proudest accomplishments.
Manifold market on whether or not this act (or similar legislation) passes: https://manifold.markets/patbl/will-the-end-kidney-deaths-act-or-s
The numbers are definitely high in absolute terms, though I would guess they are low in comparison to what these people could earn in the private sector. The founder-CEO of an investment firm the size of GiveWell would expect to have compensation in the millions.
I think we should be careful not to forget Dan Palotta’s advice. One of the appealing things about earning to give is that nobody will hassle you for making too much money.