Do you have the right to consider the position repellent? You Betcha. But Un-American? Puhleeze!
Could you please explain to all and sundry how the American concept of freedom of religion is incompatible with a church that does not force anyone to join, and does not threaten bodily harm to anyone that does not join? Are you proposing a Theocracy where only YOUR ecumenical beliefs are acceptable? The LCMS fled from this belief in Germany TO America, because her beliefs WERE compatible with American thought.