Am 06.04.24 um 18:29 schrieb Colin Watson:
There might be some small errors in this, but I couldn't see any when eyeballing the resulting uniquified list of Maintainer fields. It looks like 78% of source packages in unstable are team-maintained, which can't reasonably be called an "exception".
https://trends.debian.net/#co-maintenance is the best ressource that I know for this sort of stuff. Thanks to Lucas Nussbaum by the way for creating this service!