How did they choose right? “False religion” does not fall under the Free Exercise Clause, being false.
In the “political system in the USA, there is no “choosing” of a religion, “institutionally” - namely, as far as the government itself is concerned. The “choosing” is an individual choice per the political system. That’s why you will either have none of them in a governmentally-funded school or all of them.
As far as we’re concerned, as “individuals” who are CHRISTIANS, we know that ALL OTHER RELIGIONS in the world are FALSE RELIGIONS, and so OUTSIDE of the governmental system we’ll continue to PROCLAIM THE GOSPEL MESSAGE OF THE BIBLE and continue to let people know that all other religions in the world are FALSE!
As citizens of the Constitutional Republic of the USA, we’ll continue to respect the political system that has given us this situation.