On Oct 19, 2017, at 5:26 PM, Tres Seaver <tseaver@palladion.com> wrote:

Having the packaging
system register those services at installation time (even if it doesn't
care otherwise about them) seems pretty reasonable to me.

It does register them at installation time, using an entirely generic feature of “you can add any file you want to a dist-info directory and we will preserve it”. It doesn’t need to know anything else about them other then it’s a file that needs preserved.