They’re a Reclusive Group
One of Jonna’s key findings about Amish society is that ‘the Amish are so skilled at keeping strangers out’ and prefer to keep themselves to their own. This is likely part of their desire to safeguard their community from the outside world.
Luckily for Jonna, things didn’t exactly go to plan when Daniel married a ‘outsider’. The fact that the Amish have been able to maintain their culture despite widespread ignorance about them is all the more intriguing because of it.