That has always been clear, even before the ACLU. All things Christian, Conservative or Constitutional are in their crosshairs.
From the founding of our country through World War 2 , America was primarily a Christian nation. The major institutions of the nation: family, church, schools, government reinforced Christian concepts such as .... love thy neighbor as thyself, personal responsibility, etc.
Sadly, we may now be living in a post Christian Era. Most of today’s institution seem to be working for Satan