Martin Kouba No, the example is from the CDI 1.2 documentation. And since CDI 1.2 the default bean-discovery-mode for a bean archive is annotated. There are no excuses.
Create a new spec issue? No. In the best scenario, it would take a few years to fix. In the most likely scenario it will be rejected by the spec leads.

Fortunately we have Spring and Guice which don't suffer from such idiosyncrasies.