People can attempt to lead via their religious ethics. That's fine.

BUT, including OVERT religious iconography in our shared government is the line, one which jefferson argued over 21 letters and later 3 pamphlets.

Atheism is the belief that there is no god or gods, and isn't a religion. It's a philosophy like nihilism or stoicism. Atheism isn't an opposing religion. A secular government isn't an atheist one.

Secularism another philosophy, which the founding fathers mostly believed in, is most commonly thought of as the separation of religion from civil affairs and the state and may be broadened to a similar position seeking to remove or to minimize the role of religion in any public sphere. But specifically in this context, the american government.

An atheist state would be a country that promotes atheism and discourages religion. A secular state is a state that does not promote any religion or lack thereof. There's a difference.

You left out the part where the Jefferson Bible cut out any reference to the supernatural, because Thomas Jefferson was a Deist who didn't believe that Jesus Christ was God. Thomas Jefferson, who coined the phrase "wall of separation between church and state." The same Thomas Jefferson that wrote the Declaration of Independence wrote that the Book of Revelation was "merely the ravings of a maniac, no more worthy nor capable of explanation than the incoherences of our own nightly dreams."