Usually, organizations sell these lists to anyone who pays for them. It's not the ACLU's fault that left-leaning organizations perceived that list as valuable w

Usually, organizations sell these lists to anyone who pays for them. It's not the ACLU's fault that left-leaning organizations perceived that list as valuable while right-leaning organizations didn't; my guess would be that right-leaning organizations bought the lists of new donors more frequently during 2008-2016.