What I'm thinking is that you need code/module ownership. Every module should have an owner, who is its maintainer. Only that way maintainers get credit for do

What I'm thinking is that you need code/module ownership. Every module should have an owner, who is its maintainer. Only that way maintainers get credit for doing great maintenance including providing good documentation. If everybody can "maintain" a piece of code nobody is really responsible for it and nobody really gets credit or blame because everybody does.