"Ideology" is the wrong word. It is apologetically tame. The correct word is POWER. Communists live for power above everything. Without it they are worthless, and they know it.
The Bill of Rights needs an enforcement clause:
from website of L. Neil Smith
http://www.ncc-1776.org/index.html
“Any official, appointed or elected, at any level of government, who attempts, through legislative act or other means, to nullify, evade, or avoid the provisions of the first ten amendments to this Constitution, or of the Thirteenth Amendment, shall be summarily removed from office, and, upon conviction, deprived of all pay and benefits, including pension, and sentenced to imprisonment for life.”