Other than the one about using only one platform, which you referenced, it seems like he's really just asking for clarity from maintainers about what contributions they would like, and how they would like them to be provided.
What items on the list do you think are just the author's preferences, but other potential contributors wouldn't like? It seems unlikely that contributors would prefer NOT to know if the maintainer doesn't want PRs, or would prefer NOT to have an example of how to contribute, e.g.
What items on the list do you think are just the author's preferences, but other potential contributors wouldn't like? It seems unlikely that contributors would prefer NOT to know if the maintainer doesn't want PRs, or would prefer NOT to have an example of how to contribute, e.g.