But at that time, there were quite a number of Americans on the "circus" (tent, making the rounds, eh) as well. Don;t think many of the once I visited were mormons, come to think of it, probably none, but even than, in the late 80ies, Germany was seen as prime missionary target. So there were probably quite a numbe of Mormons out there as well, but even for my Girlfriend they were too patently absurd.
Now to get the step from missionary to being against imigrants, in this particular case, it is more likely to be the against Muslim imigrants, bingo, Germany prime candidate of "Defender of the Christian Faith" medal.
However, as I will explain in my still forthoming magnum opus diary - Religion in Germany, the fundamentalist impetus does not rattle quite a bell as it does in the States, both Catholic and Protestant Mainstreams are to strong for that.