Uh how many scientologists have flown planes into buildings?
How many scientologist priests have been convicted of diddling little boys?
How many have been quoted promoting mass immigration into western nations?
How many represent the people as senators and can be caught saying subversive things?
No matter how goofy you think their beliefs are America is a nation where people can worship at the altar of their choice. Show me how they have threatened the freedom of America before you make wild accusations. Same goes with the Mormons, Jehova's witnesses, Christian Science, etc