I also liked: This was the first time in my career, after having published more than fifty papers, that I experienced a rejection or semi-rejection Partly tha

I also liked: This was the first time in my career, after having published more than fifty papers, that I experienced a rejection or semi-rejection Partly that's because such submissions were indeed seen as letters or correspondence, to be lightly vetted for topicality and sanity and then published, vs. the current situation where 80-95% of submissions are rejected.