You miss the forest for the trees. It seems that today, the appellation 'Klezmer' is often foisted upon a variety of Jewish Musical genres that represent other facets of Jewish Musical experience. This, I believe, is due to the popularization of the term amongst audiences who have nothing but the term to go on. I do not know.
History is a matter of facts, but a creative process is always under revision.
You miss the forest for the trees. I do not know. History is a matter of facts, but a creative process is always under revision. Moshe's point is well taken. Certainly, the Klezmatics, who are considered pretty progressive, have obvious connections to their precursors.