Sure it would be. Mostly because I use Github every day. The first time I tried to create a pull request it probably took me almost as much time to figure out how Github works.
But compared how much time is saved for reviewers by having a better tool, I think 1 hour for each new contributor is reasonable.
But compared how much time is saved for reviewers by having a better tool, I think 1 hour for each new contributor is reasonable.