Given a text, write a compressed version of it in a single sentence.

"Dennis Baron writes with reference to another minority language that ""[c]ultural-loyalty movements like the class in Navajo tend to spring up when cultural preservation is in danger, and their record of success is not impressive."""
Dennis Baron writes with reference to...language that "[c]ultural-loyalty movements...spring up when...preservation is in danger, and their...success is not impressive."