One thing I wish GitHub made easier is responding to a pull request with a patch rather than encouraging reviewers to type up a bunch of suggestions that the original submitter will have to turn into a patch themselves. If you have a better idea how to accomplish part of a suggested change, you can communicate that more clearly by making a patch and leaving a comment explaining why. GitHub should encourage this and a…
Could this be accomplished with a pull request into their feature branch?
If you have five different suggestions, should that be five separate PRs to their feature branch? Probably? Or they will just need to modify or rebase out the commits they don't want.
Anyway, I just like all solutions where "doing the work" is encouraged over "talking about doing the work." Often, the doing takes less time for both sides.