I think Bill Gates would agree that when you control the philanthropic funds of the 2 richest people on earth then you have some obligation to spend the money in proportion to the importance of the issues being addressed.
I won't argue the relative merits of the marginal value of a human life vs. mass extinction of species because I'm sure we both have different values underlying our respective views and will never convince each other of anything.
I won't argue the relative merits of the marginal value of a human life vs. mass extinction of species because I'm sure we both have different values underlying our respective views and will never convince each other of anything.