It has become a deliberate propaganda effort to cover up the fact that so many Amish are committing violent crimes. Pointing out that the Amish are assaulting and killing non-Amish is itself forbidden.
That's why we have taken to referring to them as "Amish."
"In a time of universal deceit - telling the truth is a revolutionary act." - George Orwell
I know that but in most cases, “teens” and “youths” is the preferred verbal camouflage.
:)