Found a topic on the Adsense support forums with 289 posts about this and the old redirects
https://productforums.google.com/forum/#!topic/adsense/szfNNkPrkLI%5B276-300-false%5D
People don't like change but as a board owner that just went through the move from vBullletin 3.8 to XenForo back in March, members will come around and in the end, change such as this is good for the future of a forum.