The 1972 US Supreme Court case Wisconsin v. Yoder is hailed as a landmark victory for religious liberty. But it actually strips children of their Constitutional rights, in the name of religious freedom for adults. Among other things, the right to not educate enables child abuse among the Amish. Here's my response to the crisis (and how you can help).
As a general broad rule among traditional Amish, owning or having x technology or modern convenience is approved of by the Church only if it's a necessity for earning an income. But, a ton of rule-breaking or rule-bending goes on.