Remember Samuel Morse, who developed the telegraph? He said the same thing about Catholicism. Didn't work for him, won't work for us. Not saying you're wrong, just that it doesn't matter, especially in these days of PC insanity.
During the 1928 and 1960 elections, cries went up that Al Smith or JFK would, if elected, make the US subservient to the Vatican.
The more things change....