I also miss the destructive button being on the opposite side of the window from the non destructive button. In many ways, classic Mac OS was more thoughtful and usable than OSX.
Microsoft and NeXT both had to throw out some good ideas and break existing conventions so that their user interfaces wouldn't have to come with royalty payments to Apple. Since GUI design and GUI IP law were both relatively immature in the 1980s, it was virtually guaranteed that we would end up with regrettable fragmentation instead of a coalescing of all the best ideas.
