Indeed. Common Lisp should be more like C++, where the right way to write Hello World changes every few years. If your language isn't moving fast and breaking things, it means it's abandoned and probably shouldn't be used for real work.
As an aging developer I also detest environments that break things every other day, but I have realized that on the other hand system that never move have indeed a tendency to wither, usually in comfortable niches, while the flow of things moves elsewhere.