I suppose they think it has a softer edge to it. But the reality of it is that these are the same people with a new name.

They push the same agenda, anti-abortion, anti-same sex marriage, anti-transgender rights, anti-immigrant, anti-muslim, and many are in the cult of trump. They are known to call the separation of church and state a "Myth". 

"Christian nationalism is emerging alongside and in some cases overlapping with other right-wing movements, such as the conspiratorial QAnon, white supremacy, and denialism over COVID-19 and the 2020 election. Christian prayers and symbols featured prominently in and around the U.S. Capitol during the Jan. 6, 2021, insurrection there."