Dear Christian Americans,
If you wouldn’t say “on nation under Allah” then you should 100% understand why others do not want to say “one nation under God.”
This is a simple, yet potentially effective thought experiment. YHWH, Allah, and God are words that signify the same general concept of a deity, yet each one is contextualized differently, thus, they express cultural, political, and national boundaries which are loaded with stigma. In this context, these boundaries have less to do with theology, and everything to do with cultural panic and nationalism.