For me, the "unfinished improv business from the late 60s/70s" was what it was all about. To my ears, Manfred Eicher picked up on some of that, smoothed it out, and ran with it. He produced other things too, but not much that interested me.
Imo, Giacomo Pelliciotti and Giovanni Bonandrini - Black Saint and Soul Note - were European record company owners/producers who did more to keep the music alive during the 70s, 80s, and into the 90s. And out own Chuck Nessa is, again imo, a more important producer than Manfred Eicher.