Transformative Experience: Nonidentity Problem

Yonder we are having a book discussion thingy on Transformative Experience, with the chapters introduced/summarized/responded-to by individual commenters with an accompanying comment thread. I am not one of the volunteers for any of the weeks but, as the poster, had thought I might abuse my privileges to say something anyway. Since the things I have said expanded to great length, I have instead posted them here, below. They are something of a mess, having been said in haste.