Yes. Children do not literally worship their nation-state with literal religious reverence. No rabbi would tell you that the ten commandments are about prohibiting metaphorical sacrifices to metaphorical religions.

No rabbi would say that saying that someone “worships money” turns their wallet into an alter and their job into idol worship. Religiously, it’s just a metaphorical turn of phrase.

Maimonides, probably the most influential rabbi of the middle ages, explicitly called Christians idolaters. The trinity isn’t precisely considered polytheistic; the Hebrew term is shituf.

Can you find a single rabbi who would call volunteering to join a military and dying at war halachically prohibited human sacrifice to the nation-as-god or flag-as-idol?

And where exactly did I call myself a religious nationalist? I’m just saying that your argument that the term is an oxymoron is idiotic and betrays a deep ignorance of the religion. I mean, you couldn’t even quote the right commandment - in Judaism, the first item on the ten commandants is “I am the lord your God”, which makes your argument a complete non sequitur.