Better to have a book that can you have to convert than no book at all.Sure. But there were several people who argued that making feats non-optional was totally breaking any semblance of backwards compatibility. Or that they couldn't make any significant changes to classes, for the same reason.
Oh my God, that...that would be so good...I am legitimately kind of upset that that might happen, because I LOVE the concept of Iomandra and always wanted to play a game there. Which means I might have to play5th edition"One D&D" in order to get it...