There is a systemic cost: the cumulative effect of encouraging the expectation to find things on Github. It also costs time to maintain an additional remote if

There is a systemic cost: the cumulative effect of encouraging the expectation to find things on Github. It also costs time to maintain an additional remote if you want to interact with potential contributors. Using Github only to say "hey, don't forget about this piece of software that you shouldn't be looking for on Github" is a terrible habit as it artificially inflates the importance of Github for Free Software and ... we already have search engines for that kind of thing.