Because although many terrible things occur every day, President Trump/Bannon are the most serious internal threats to the freedoms, safety, and security of Americans since WWII, and perhaps even earlier. Moreover, the threats they pose extend far beyond America's borders. The possibility of autocracy, illiberalism, and kleptocracy are real, and the many donors understand this. Liberal democracy is the foundation of human freedoms. I normally disagree with some prominent positions of the ACLU, but we're in an "all hands on deck" situation. It's different.