these sound like reasonable kernel behaviours to me? - if a process didn't sync i/o upon exit, the next process to run, which might have expected it to have (l

these sound like reasonable kernel behaviours to me? - if a process didn't sync i/o upon exit, the next process to run, which might have expected it to have (like, say, running your freshly linked executable?) would be unhappy - if writing to an already existing file wasn't faster than creating a file, I'd imagine almost everyone but mold would be unhappy - etc.