The 14th Amendment extended the reach of the 1st Amendment to all government agencies, including states.
In the context of the 1st Amendment, 'law' is considered to include an action or policy.
Judge Moore therefore may make no law nor perform any action in his role as a government official respecting an establishment of religion. Establishing a large religious monument prominently in a government building was a clear violation of the First Amendment
Well, that's your opinion.