From what I've seen, most of the contributors to large projects are one-time contributors who just want to implement their one cool idea for the project. Mainta

From what I've seen, most of the contributors to large projects are one-time contributors who just want to implement their one cool idea for the project. Maintainers who want to encourage those sort of contributions need to do everything they can to lower the barrier of entry to contributing, which includes being positive towards new contributors.