Is it really true that charities should be allocated first based on need? Maybe public funding, but these are voluntary donations by private individuals. A lot of charity is based on affinity to groups. You're throwing the baby out with the bathwater if you want to eliminate this. People give money to whomever they want, it may not be the most fair or do the most critical good in an absolute sense, but it might ameliorate some real suffering and disadvantage in the world.
